Table of Contents

Table of Contents

Overview

Authentik is a modern, open-source identity provider (IdP) that provides comprehensive authentication and authorization services for enterprise environments. Built with a cloud-native architecture, Authentik offers advanced features including Single Sign-On (SSO), multi-factor authentication (MFA), user lifecycle management, and extensive protocol support.

Key Features and Benefits

Core Identity Services

Feature Description Enterprise Benefit
Single Sign-On (SSO) Unified authentication across applications Improved user experience and security
Multi-Factor Authentication TOTP, WebAuthn, SMS, Email Enhanced security posture
Protocol Support SAML 2.0, OAuth2, OIDC, LDAP Universal application compatibility
User Lifecycle Management Automated provisioning and deprovisioning Reduced administrative overhead
Policy Engine Flexible access control policies Granular security enforcement
Directory Integration LDAP, Active Directory sync Seamless enterprise integration

Modern Architecture Benefits

  • ✅ Cloud-Native Design - Container-first with Kubernetes support
  • ✅ API-First Architecture - Comprehensive REST API for automation
  • ✅ Modern UI/UX - Intuitive administrative interface
  • ✅ High Availability - Distributed deployment support
  • ✅ Audit and Compliance - Comprehensive logging and reporting
  • ✅ Extensible Flows - Custom authentication workflows

Authentik vs. Traditional Solutions

graph TB
    subgraph "Traditional IAM"
        oldiam[Legacy IAM Solution]
        oldiam --> oldldap[LDAP Only]
        oldiam --> oldsaml[Limited SAML]
        oldiam --> oldui[Complex UI]
        oldiam --> oldmaint[High Maintenance]
    end
    
    subgraph "Authentik Modern IAM"
        authentik[Authentik Identity Provider]
        authentik --> protocols[Multiple Protocols<br/>SAML, OAuth2, OIDC, LDAP]
        authentik --> modern[Modern UI/UX]
        authentik --> api[API-First]
        authentik --> cloud[Cloud-Native]
        authentik --> flows[Custom Flows]
    end
    
    subgraph "Applications"
        webapp[Web Applications]
        mobile[Mobile Apps]
        api_apps[API Services]
        legacy[Legacy Systems]
    end
    
    authentik --> webapp
    authentik --> mobile
    authentik --> api_apps
    authentik --> legacy

Architecture and Components

Core Components Overview

Authentik follows a microservices architecture designed for scalability and maintainability in containerized environments.

Component Architecture

graph TB
    subgraph "Frontend Layer"
        webui[Web UI Interface]
        api[REST API]
    end
    
    subgraph "Core Services"
        server[Authentik Server]
        worker[Background Worker]
        outpost[Authentik Outpost]
    end
    
    subgraph "Data Layer"
        postgres[(PostgreSQL Database)]
        redis[(Redis Cache)]
        media[Media Storage]
    end
    
    subgraph "External Integration"
        ldap[LDAP/AD]
        smtp[SMTP Server]
        monitoring[Monitoring Systems]
    end
    
    webui --> server
    api --> server
    server --> postgres
    server --> redis
    server --> media
    worker --> postgres
    worker --> redis
    outpost --> server
    server --> ldap
    server --> smtp
    server --> monitoring

Component Details

Component Purpose Scaling Considerations
Authentik Server Main application logic and API Stateless - horizontal scaling
Worker Background tasks and jobs Multiple workers for performance
Outpost Proxy and LDAP services Deploy near applications
PostgreSQL Primary data storage High availability cluster
Redis Session and cache storage Cluster mode for redundancy
Web UI Administrative interface Served by main server

Deployment Patterns

Single Instance Deployment

# Basic single-instance deployment
version: '3.8'
services:
  authentik-server:
    image: ghcr.io/goauthentik/server:latest
    ports:
      - "9000:9000"
      - "9443:9443"
    environment:
      AUTHENTIK_SECRET_KEY: "your-secret-key-here"
      AUTHENTIK_ERROR_REPORTING__ENABLED: "false"
      AUTHENTIK_POSTGRESQL__HOST: postgres
      AUTHENTIK_POSTGRESQL__USER: authentik
      AUTHENTIK_POSTGRESQL__NAME: authentik
      AUTHENTIK_POSTGRESQL__PASSWORD: your-password
      AUTHENTIK_REDIS__HOST: redis
    depends_on:
      - postgres
      - redis
    
  authentik-worker:
    image: ghcr.io/goauthentik/server:latest
    command: worker
    environment:
      AUTHENTIK_SECRET_KEY: "your-secret-key-here"
      AUTHENTIK_ERROR_REPORTING__ENABLED: "false"
      AUTHENTIK_POSTGRESQL__HOST: postgres
      AUTHENTIK_POSTGRESQL__USER: authentik
      AUTHENTIK_POSTGRESQL__NAME: authentik
      AUTHENTIK_POSTGRESQL__PASSWORD: your-password
      AUTHENTIK_REDIS__HOST: redis
    depends_on:
      - postgres
      - redis
    
  postgres:
    image: postgres:15-alpine
    environment:
      POSTGRES_PASSWORD: your-password
      POSTGRES_USER: authentik
      POSTGRES_DB: authentik
    volumes:
      - database:/var/lib/postgresql/data
    
  redis:
    image: redis:alpine
    command: --save 60 1 --loglevel warning
    volumes:
      - redis:/data

volumes:
  database:
  redis:

High Availability Deployment

# High availability deployment with multiple instances
version: '3.8'
services:
  authentik-server:
    image: ghcr.io/goauthentik/server:latest
    deploy:
      replicas: 3
      update_config:
        parallelism: 1
        delay: 10s
      restart_policy:
        condition: on-failure
    ports:
      - "9000:9000"
      - "9443:9443"
    environment:
      AUTHENTIK_SECRET_KEY: "your-secret-key-here"
      AUTHENTIK_ERROR_REPORTING__ENABLED: "false"
      AUTHENTIK_POSTGRESQL__HOST: postgres-cluster
      AUTHENTIK_POSTGRESQL__USER: authentik
      AUTHENTIK_POSTGRESQL__NAME: authentik
      AUTHENTIK_POSTGRESQL__PASSWORD: your-password
      AUTHENTIK_REDIS__HOST: redis-cluster
      AUTHENTIK_LOG_LEVEL: info
    healthcheck:
      test: ["CMD", "ak", "healthcheck"]
      interval: 30s
      timeout: 10s
      retries: 3
    
  authentik-worker:
    image: ghcr.io/goauthentik/server:latest
    command: worker
    deploy:
      replicas: 2
    environment:
      AUTHENTIK_SECRET_KEY: "your-secret-key-here"
      AUTHENTIK_ERROR_REPORTING__ENABLED: "false"
      AUTHENTIK_POSTGRESQL__HOST: postgres-cluster
      AUTHENTIK_POSTGRESQL__USER: authentik
      AUTHENTIK_POSTGRESQL__NAME: authentik
      AUTHENTIK_POSTGRESQL__PASSWORD: your-password
      AUTHENTIK_REDIS__HOST: redis-cluster
    
  nginx:
    image: nginx:alpine
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
      - ./ssl:/etc/ssl/certs:ro
    depends_on:
      - authentik-server

Installation and Deployment

Prerequisites and Requirements

System Requirements

Component Minimum Recommended Production
CPU 2 cores 4 cores 8+ cores
Memory 4GB RAM 8GB RAM 16+ GB RAM
Storage 20GB 100GB 500+ GB SSD
Network 1 Gbps 1 Gbps 10 Gbps

Software Dependencies

  • Container Runtime: Docker 20.10+ or Podman 3.0+
  • Orchestration: Docker Compose 2.0+ or Kubernetes 1.21+
  • Database: PostgreSQL 12+ (13+ recommended)
  • Cache: Redis 6.0+
  • Reverse Proxy: Nginx, Traefik, or HAProxy
  • TLS Certificates: Let's Encrypt or corporate CA

Docker Compose Deployment

Production-Ready Configuration

# docker-compose.yml - Production configuration
version: '3.8'

services:
  authentik-server:
    image: ghcr.io/goauthentik/server:2024.2.2
    restart: unless-stopped
    command: server
    ports:
      - "127.0.0.1:9000:9000"
      - "127.0.0.1:9443:9443"
    environment:
      AUTHENTIK_SECRET_KEY: "${AUTHENTIK_SECRET_KEY}"
      AUTHENTIK_ERROR_REPORTING__ENABLED: "false"
      AUTHENTIK_POSTGRESQL__HOST: postgres
      AUTHENTIK_POSTGRESQL__USER: "${POSTGRES_USER:-authentik}"
      AUTHENTIK_POSTGRESQL__NAME: "${POSTGRES_DB:-authentik}"
      AUTHENTIK_POSTGRESQL__PASSWORD: "${POSTGRES_PASSWORD}"
      AUTHENTIK_REDIS__HOST: redis
      AUTHENTIK_LOG_LEVEL: "${AUTHENTIK_LOG_LEVEL:-info}"
      AUTHENTIK_EMAIL__HOST: "${SMTP_HOST}"
      AUTHENTIK_EMAIL__PORT: "${SMTP_PORT:-587}"
      AUTHENTIK_EMAIL__USERNAME: "${SMTP_USERNAME}"
      AUTHENTIK_EMAIL__PASSWORD: "${SMTP_PASSWORD}"
      AUTHENTIK_EMAIL__USE_TLS: "${SMTP_USE_TLS:-true}"
      AUTHENTIK_EMAIL__FROM: "${SMTP_FROM}"
    volumes:
      - ./media:/media
      - ./custom-templates:/templates
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - authentik
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.authentik.rule=Host(`auth.example.com`)"
      - "traefik.http.routers.authentik.tls=true"
      - "traefik.http.routers.authentik.tls.certresolver=letsencrypt"
    healthcheck:
      test: ["CMD", "ak", "healthcheck"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 60s

  authentik-worker:
    image: ghcr.io/goauthentik/server:2024.2.2
    restart: unless-stopped
    command: worker
    environment:
      AUTHENTIK_SECRET_KEY: "${AUTHENTIK_SECRET_KEY}"
      AUTHENTIK_ERROR_REPORTING__ENABLED: "false"
      AUTHENTIK_POSTGRESQL__HOST: postgres
      AUTHENTIK_POSTGRESQL__USER: "${POSTGRES_USER:-authentik}"
      AUTHENTIK_POSTGRESQL__NAME: "${POSTGRES_DB:-authentik}"
      AUTHENTIK_POSTGRESQL__PASSWORD: "${POSTGRES_PASSWORD}"
      AUTHENTIK_REDIS__HOST: redis
      AUTHENTIK_LOG_LEVEL: "${AUTHENTIK_LOG_LEVEL:-info}"
      AUTHENTIK_EMAIL__HOST: "${SMTP_HOST}"
      AUTHENTIK_EMAIL__PORT: "${SMTP_PORT:-587}"
      AUTHENTIK_EMAIL__USERNAME: "${SMTP_USERNAME}"
      AUTHENTIK_EMAIL__PASSWORD: "${SMTP_PASSWORD}"
      AUTHENTIK_EMAIL__USE_TLS: "${SMTP_USE_TLS:-true}"
      AUTHENTIK_EMAIL__FROM: "${SMTP_FROM}"
    volumes:
      - ./media:/media
      - ./custom-templates:/templates
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - authentik

  postgres:
    image: postgres:15-alpine
    restart: unless-stopped
    environment:
      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD}"
      POSTGRES_USER: "${POSTGRES_USER:-authentik}"
      POSTGRES_DB: "${POSTGRES_DB:-authentik}"
      POSTGRES_INITDB_ARGS: "--encoding=UTF-8 --lc-collate=C --lc-ctype=C"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./postgres-init:/docker-entrypoint-initdb.d:ro
    networks:
      - authentik
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s
    command: >
      postgres
        -c max_connections=200
        -c shared_buffers=256MB
        -c effective_cache_size=1GB
        -c maintenance_work_mem=64MB
        -c checkpoint_completion_target=0.9
        -c wal_buffers=16MB
        -c default_statistics_target=100
        -c random_page_cost=1.1
        -c effective_io_concurrency=200
        -c work_mem=4MB
        -c min_wal_size=1GB
        -c max_wal_size=4GB

  redis:
    image: redis:7-alpine
    restart: unless-stopped
    command: >
      redis-server
        --appendonly yes
        --maxmemory 256mb
        --maxmemory-policy allkeys-lru
        --save 900 1
        --save 300 10
        --save 60 10000
    volumes:
      - redis_data:/data
    networks:
      - authentik
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 5

volumes:
  postgres_data:
    driver: local
  redis_data:
    driver: local

networks:
  authentik:
    driver: bridge

Environment Configuration

# .env file for production deployment
# Generate secret key: openssl rand -base64 32
AUTHENTIK_SECRET_KEY=your-generated-secret-key-here

# Database configuration
POSTGRES_USER=authentik
POSTGRES_DB=authentik
POSTGRES_PASSWORD=your-secure-database-password

# Logging
AUTHENTIK_LOG_LEVEL=info

# Email configuration
SMTP_HOST=smtp.example.com
SMTP_PORT=587
SMTP_USERNAME=authentik@example.com
SMTP_PASSWORD=your-smtp-password
SMTP_USE_TLS=true
SMTP_FROM=Authentik <authentik@example.com>

# Domain configuration
AUTHENTIK_DOMAIN=auth.example.com

Kubernetes Deployment

Helm Chart Configuration

# values.yaml for Helm deployment
authentik:
  secret_key: "your-secret-key"
  log_level: info
  error_reporting:
    enabled: false

server:
  replicas: 3
  image:
    repository: ghcr.io/goauthentik/server
    tag: "2024.2.2"
  
  ingress:
    enabled: true
    hosts:
      - host: auth.example.com
        paths:
          - path: /
            pathType: Prefix
    tls:
      - secretName: authentik-tls
        hosts:
          - auth.example.com

worker:
  replicas: 2
  image:
    repository: ghcr.io/goauthentik/server
    tag: "2024.2.2"

postgresql:
  enabled: true
  auth:
    username: authentik
    database: authentik
    password: "your-database-password"
  primary:
    persistence:
      size: 100Gi
    resources:
      requests:
        memory: "512Mi"
        cpu: "500m"
      limits:
        memory: "1Gi"
        cpu: "1000m"

redis:
  enabled: true
  auth:
    enabled: false
  master:
    persistence:
      size: 10Gi
    resources:
      requests:
        memory: "256Mi"
        cpu: "250m"
      limits:
        memory: "512Mi"
        cpu: "500m"

Installation Scripts

Automated Deployment Script

function Deploy-Authentik
{
    param(
        [Parameter(Mandatory)]
        [string]$Domain,
        [Parameter(Mandatory)]
        [string]$Email,
        [string]$Environment = "production",
        [string]$DatabasePassword,
        [string]$SecretKey,
        [switch]$UseSSL = $true,
        [switch]$EnableBackups = $true
    )
    
    Write-Host "Deploying Authentik Identity Provider" -ForegroundColor Cyan
    Write-Host "Domain: $Domain" -ForegroundColor Yellow
    Write-Host "Environment: $Environment" -ForegroundColor Yellow
    
    try
    {
        # Generate secure passwords if not provided
        if (-not $DatabasePassword)
        {
            $DatabasePassword = -join ((1..32) | ForEach-Object { [char]((65..90) + (97..122) + (48..57) | Get-Random) })
            Write-Host "Generated database password" -ForegroundColor Green
        }
        
        if (-not $SecretKey)
        {
            $SecretKey = [Convert]::ToBase64String([System.Security.Cryptography.RandomNumberGenerator]::GetBytes(32))
            Write-Host "Generated secret key" -ForegroundColor Green
        }
        
        # Create deployment directory
        $deployPath = "./authentik-deployment"
        if (-not (Test-Path $deployPath))
        {
            New-Item -ItemType Directory -Path $deployPath -Force | Out-Null
            Write-Host "Created deployment directory: $deployPath" -ForegroundColor Green
        }
        
        # Create environment file
        $envContent = @"
# Authentik Environment Configuration
AUTHENTIK_SECRET_KEY=$SecretKey
POSTGRES_USER=authentik
POSTGRES_DB=authentik
POSTGRES_PASSWORD=$DatabasePassword
AUTHENTIK_LOG_LEVEL=info
SMTP_HOST=
SMTP_PORT=587
SMTP_USERNAME=
SMTP_PASSWORD=
SMTP_USE_TLS=true
SMTP_FROM=Authentik <$Email>
AUTHENTIK_DOMAIN=$Domain
"@
        
        $envContent | Out-File -FilePath "$deployPath/.env" -Encoding UTF8
        Write-Host "Created environment configuration" -ForegroundColor Green
        
        # Download docker-compose.yml
        $composeUrl = "https://raw.githubusercontent.com/goauthentik/authentik/main/docker-compose.yml"
        try
        {
            Invoke-WebRequest -Uri $composeUrl -OutFile "$deployPath/docker-compose.yml"
            Write-Host "Downloaded docker-compose.yml" -ForegroundColor Green
        }
        catch
        {
            Write-Warning "Failed to download compose file. Creating basic configuration."
            
            # Create basic compose file
            $composeContent = @"
version: '3.8'
services:
  authentik-server:
    image: ghcr.io/goauthentik/server:latest
    restart: unless-stopped
    command: server
    ports:
      - "9000:9000"
      - "9443:9443"
    environment:
      AUTHENTIK_SECRET_KEY: `${AUTHENTIK_SECRET_KEY}
      AUTHENTIK_POSTGRESQL__HOST: postgres
      AUTHENTIK_POSTGRESQL__USER: `${POSTGRES_USER}
      AUTHENTIK_POSTGRESQL__NAME: `${POSTGRES_DB}
      AUTHENTIK_POSTGRESQL__PASSWORD: `${POSTGRES_PASSWORD}
      AUTHENTIK_REDIS__HOST: redis
    volumes:
      - ./media:/media
    depends_on:
      - postgres
      - redis

  authentik-worker:
    image: ghcr.io/goauthentik/server:latest
    restart: unless-stopped
    command: worker
    environment:
      AUTHENTIK_SECRET_KEY: `${AUTHENTIK_SECRET_KEY}
      AUTHENTIK_POSTGRESQL__HOST: postgres
      AUTHENTIK_POSTGRESQL__USER: `${POSTGRES_USER}
      AUTHENTIK_POSTGRESQL__NAME: `${POSTGRES_DB}
      AUTHENTIK_POSTGRESQL__PASSWORD: `${POSTGRES_PASSWORD}
      AUTHENTIK_REDIS__HOST: redis
    volumes:
      - ./media:/media
    depends_on:
      - postgres
      - redis

  postgres:
    image: postgres:15-alpine
    restart: unless-stopped
    environment:
      POSTGRES_PASSWORD: `${POSTGRES_PASSWORD}
      POSTGRES_USER: `${POSTGRES_USER}
      POSTGRES_DB: `${POSTGRES_DB}
    volumes:
      - postgres_data:/var/lib/postgresql/data

  redis:
    image: redis:alpine
    restart: unless-stopped
    command: --save 60 1 --loglevel warning
    volumes:
      - redis_data:/data

volumes:
  postgres_data:
  redis_data:
"@
            
            $composeContent | Out-File -FilePath "$deployPath/docker-compose.yml" -Encoding UTF8
            Write-Host "Created basic docker-compose.yml" -ForegroundColor Yellow
        }
        
        # Create media directory
        New-Item -ItemType Directory -Path "$deployPath/media" -Force | Out-Null
        
        # Set directory to deployment path
        Push-Location $deployPath
        
        try
        {
            # Pull images
            Write-Host "Pulling Docker images..." -ForegroundColor Yellow
            & docker-compose pull
            
            # Start services
            Write-Host "Starting Authentik services..." -ForegroundColor Yellow
            & docker-compose up -d
            
            # Wait for services to be ready
            Write-Host "Waiting for services to start..." -ForegroundColor Yellow
            Start-Sleep -Seconds 30
            
            # Check service status
            $services = & docker-compose ps --services
            $runningServices = & docker-compose ps --services --filter "status=running"
            
            Write-Host "`nDeployment Status:" -ForegroundColor Green
            Write-Host "  Total services: $($services.Count)" -ForegroundColor White
            Write-Host "  Running services: $($runningServices.Count)" -ForegroundColor White
            
            if ($services.Count -eq $runningServices.Count)
            {
                Write-Host "✓ All services started successfully" -ForegroundColor Green
                
                # Display access information
                Write-Host "`nAuthentik Access Information:" -ForegroundColor Cyan
                Write-Host "  Web Interface: http://localhost:9000" -ForegroundColor White
                Write-Host "  HTTPS Interface: https://localhost:9443" -ForegroundColor White
                
                if ($UseSSL)
                {
                    Write-Host "  Production URL: https://$Domain" -ForegroundColor White
                }
                else
                {
                    Write-Host "  Production URL: http://$Domain" -ForegroundColor White
                }
                
                Write-Host "`nNext Steps:" -ForegroundColor Yellow
                Write-Host "  1. Configure reverse proxy for $Domain" -ForegroundColor White
                Write-Host "  2. Set up SSL certificates" -ForegroundColor White
                Write-Host "  3. Access the web interface and complete initial setup" -ForegroundColor White
                Write-Host "  4. Configure SMTP settings for email" -ForegroundColor White
                Write-Host "  5. Set up your first authentication flow" -ForegroundColor White
                
                if ($EnableBackups)
                {
                    Write-Host "`nBackup Configuration:" -ForegroundColor Cyan
                    Write-Host "  Database backup recommended - configure PostgreSQL backups" -ForegroundColor White
                    Write-Host "  Media folder backup: $deployPath/media" -ForegroundColor White
                }
            }
            else
            {
                Write-Warning "Some services failed to start. Check logs with: docker-compose logs"
                return $false
            }
        }
        finally
        {
            Pop-Location
        }
        
        # Store deployment info
        $deploymentInfo = @{
            Domain = $Domain
            DeploymentPath = $deployPath
            Environment = $Environment
            DatabasePassword = $DatabasePassword
            SecretKey = $SecretKey
            DeploymentTime = Get-Date
        }
        
        return $deploymentInfo
    }
    catch
    {
        Write-Error "Authentik deployment failed: $($_.Exception.Message)"
        return $null
    }
}

Configuration and Setup

Initial Configuration

First-Time Setup Process

  1. Access the Web Interface

    # After deployment, access Authentik
http://localhost:9000
# or
https://your-domain.com

  2. Initial Admin Account

    # Get default admin credentials
docker-compose exec authentik-server ak create_admin_group
docker-compose exec authentik-server ak create_admin_user

Core Configuration Steps

1. Basic System Settings
# System settings configuration
authentik:
  default_user_change_email: true
  default_user_change_name: true
  default_user_change_username: true
  avatars: "gravatar"
  footer_links:
    - name: "Documentation"
      href: "https://docs.goauthentik.io"
  
  # Branding configuration
  ui:
    theme: "automatic"
    locale: "en"
  
  # Security settings
  security:
    secret_key: "your-secret-key"
    csrf:
      trusted_origins:
        - "https://auth.example.com"
2. Email Configuration
# Email settings for notifications
email:
  host: "smtp.example.com"
  port: 587
  username: "authentik@example.com"
  password: "your-smtp-password"
  use_tls: true
  use_ssl: false
  timeout: 30
  from: "Authentik <authentik@example.com>"
  
  # Email templates
  templates:
    account_confirmation: "email/account_confirmation.html"
    password_reset: "email/password_reset.html"
    invitation: "email/invitation.html"

Advanced Configuration

Environment Variables Reference

# Core Configuration
AUTHENTIK_SECRET_KEY=your-secret-key                    # Required: Encryption key
AUTHENTIK_LOG_LEVEL=info                               # Options: debug, info, warning, error
AUTHENTIK_ERROR_REPORTING__ENABLED=false              # Disable error reporting to Authentik

# Database Configuration
AUTHENTIK_POSTGRESQL__HOST=postgres                    # Database host
AUTHENTIK_POSTGRESQL__PORT=5432                       # Database port
AUTHENTIK_POSTGRESQL__NAME=authentik                  # Database name
AUTHENTIK_POSTGRESQL__USER=authentik                  # Database user
AUTHENTIK_POSTGRESQL__PASSWORD=your-password          # Database password
AUTHENTIK_POSTGRESQL__USE_PGBOUNCER=false            # Enable connection pooling

# Redis Configuration
AUTHENTIK_REDIS__HOST=redis                           # Redis host
AUTHENTIK_REDIS__PORT=6379                           # Redis port
AUTHENTIK_REDIS__DB=0                               # Redis database number
AUTHENTIK_REDIS__PASSWORD=                          # Redis password (if required)

# Email Configuration
AUTHENTIK_EMAIL__HOST=smtp.example.com               # SMTP server
AUTHENTIK_EMAIL__PORT=587                           # SMTP port
AUTHENTIK_EMAIL__USERNAME=authentik@example.com     # SMTP username
AUTHENTIK_EMAIL__PASSWORD=your-smtp-password        # SMTP password
AUTHENTIK_EMAIL__USE_TLS=true                       # Enable TLS
AUTHENTIK_EMAIL__USE_SSL=false                      # Enable SSL
AUTHENTIK_EMAIL__TIMEOUT=10                         # Connection timeout
AUTHENTIK_EMAIL__FROM=Authentik <authentik@example.com>  # From address

# Web Configuration
AUTHENTIK_LISTEN__HTTP=0.0.0.0:9000                # HTTP bind address
AUTHENTIK_LISTEN__HTTPS=0.0.0.0:9443               # HTTPS bind address
AUTHENTIK_LISTEN__METRICS=0.0.0.0:9300             # Metrics bind address
AUTHENTIK_WEB__WORKERS=2                           # Number of web workers

# Security Configuration
AUTHENTIK_COOKIE__DOMAIN=.example.com               # Cookie domain
AUTHENTIK_DISABLE_UPDATE_CHECK=true                # Disable update notifications
AUTHENTIK_AVATARS=gravatar                         # Avatar provider

Authentication Flows

Authentik uses a flexible flow system that allows you to customize the authentication experience for different scenarios and applications.

Flow Types and Configuration

Core Flow Types

Flow Type Purpose Use Cases
Authentication User login process SSO, multi-step authentication
Authorization Access control decisions Policy enforcement, consent
Invalidation Session termination Logout, account suspension
Enrollment User registration Self-service registration
Recovery Password reset Forgotten password recovery
Unenrollment Account deletion GDPR compliance, self-service

Default Authentication Flow

# Example authentication flow configuration
name: "default-authentication-flow"
title: "Welcome to Example Corp"
designation: "authentication"
policy_engine_mode: "any"

stages:
  - identification:
      user_fields: ["username", "email"]
      password_fields: ["password"]
      sources: ["internal"]
      
  - password:
      backends: ["internal", "ldap"]
      failed_attempts_before_cancel: 5
      
  - mfa:
      device_classes: ["totp", "webauthn", "sms"]
      configuration_stages: ["mfa-setup"]
      
  - user_login:
      session_duration: "hours=8"
      remember_me_offset: "days=30"

Multi-Factor Authentication Setup

TOTP Configuration

# TOTP authenticator configuration
from authentik.stages.authenticator_totp.models import TOTPDevice

# Configure TOTP settings
totp_config = {
    'issuer': 'Example Corp',
    'period': 30,
    'algorithm': 'SHA1',
    'digits': 6,
    'drift': 1
}

WebAuthn/FIDO2 Setup

# WebAuthn stage configuration
webauthn_stage:
  user_verification: "preferred"
  authenticator_attachment: "cross-platform"
  resident_key_requirement: "discouraged"
  allowed_devices:
    - "usb"
    - "nfc"
    - "ble"
    - "internal"

Custom Authentication Flows

Enterprise SSO Flow

# Enterprise SSO with step-up authentication
enterprise_sso_flow:
  name: "Enterprise SSO"
  stages:
    - ldap_identification:
        sources: ["corporate-ldap"]
        password_backends: ["ldap"]
        
    - password_validation:
        backend: "ldap"
        
    - risk_assessment:
        policies: ["location-based", "device-trust"]
        
    - conditional_mfa:
        conditions:
          - high_risk_score: "required"
          - admin_group: "required"
          - external_network: "required"
          
    - authorization:
        policies: ["group-membership", "time-based"]
        
    - user_login:
        session_duration: "hours=4"

Application Integration

Protocol Support and Implementation

SAML 2.0 Integration

<!-- SAML Service Provider configuration -->
<saml:Provider
    entityID="https://app.example.com"
    protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol">
    
    <saml:SPSSODescriptor>
        <saml:AssertionConsumerService
            Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
            Location="https://app.example.com/saml/acs/"
            index="0" />
            
        <saml:SingleLogoutService
            Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect"
            Location="https://app.example.com/saml/sls/" />
    </saml:SPSSODescriptor>
</saml:Provider>

OAuth2/OIDC Configuration

{
  "client_id": "example-app",
  "client_secret": "your-client-secret",
  "authorization_endpoint": "https://auth.example.com/application/o/authorize/",
  "token_endpoint": "https://auth.example.com/application/o/token/",
  "userinfo_endpoint": "https://auth.example.com/application/o/userinfo/",
  "jwks_uri": "https://auth.example.com/application/o/example-app/jwks/",
  "scopes": ["openid", "email", "profile"],
  "response_types": ["code"],
  "grant_types": ["authorization_code", "refresh_token"],
  "redirect_uris": ["https://app.example.com/callback"]
}

Application Templates

Grafana Integration

function Configure-GrafanaAuthentik
{
    param(
        [Parameter(Mandatory)]
        [string]$GrafanaUrl,
        [Parameter(Mandatory)]
        [string]$AuthentikUrl,
        [string]$ClientId = "grafana",
        [string[]]$AdminGroups = @("grafana-admins")
    )
    
    Write-Host "Configuring Grafana with Authentik OIDC" -ForegroundColor Cyan
    
    # Grafana configuration
    $grafanaConfig = @"
[auth.generic_oauth]
enabled = true
name = Authentik
client_id = $ClientId
client_secret = \$__file{/etc/grafana/oauth_secret}
scopes = openid profile email
auth_url = $AuthentikUrl/application/o/authorize/
token_url = $AuthentikUrl/application/o/token/
api_url = $AuthentikUrl/application/o/userinfo/
allow_sign_up = true
auto_login = false
role_attribute_path = contains(groups[*], 'grafana-admins') && 'Admin' || contains(groups[*], 'grafana-editors') && 'Editor' || 'Viewer'
role_attribute_strict = false
"@
    
    Write-Host "Grafana OAuth configuration:" -ForegroundColor Yellow
    Write-Host $grafanaConfig -ForegroundColor White
    
    return @{
        Config = $grafanaConfig
        ClientId = $ClientId
        RedirectUri = "$GrafanaUrl/login/generic_oauth"
    }
}

Proxmox Integration

# Proxmox OIDC configuration
proxmox_oidc:
  realm: "authentik"
  client_id: "proxmox"
  client_key: "your-client-secret"
  issuer_url: "https://auth.example.com/application/o/proxmox/"
  scopes: "openid profile email"
  username_claim: "preferred_username"
  prompt: "login"

User and Group Management

User Lifecycle Management

Automated User Provisioning

function New-AuthentikUser
{
    param(
        [Parameter(Mandatory)]
        [string]$Username,
        [Parameter(Mandatory)]
        [string]$Email,
        [string]$FirstName,
        [string]$LastName,
        [string[]]$Groups = @(),
        [string]$AuthentikUrl,
        [string]$ApiToken,
        [switch]$SendWelcomeEmail
    )
    
    $headers = @{
        'Authorization' = "Bearer $ApiToken"
        'Content-Type' = 'application/json'
    }
    
    $userData = @{
        username = $Username
        email = $Email
        first_name = $FirstName
        last_name = $LastName
        is_active = $true
        groups = $Groups
    } | ConvertTo-Json
    
    try
    {
        $response = Invoke-RestMethod -Uri "$AuthentikUrl/api/v3/core/users/" -Method POST -Headers $headers -Body $userData
        
        Write-Host "User created successfully: $Username" -ForegroundColor Green
        
        if ($SendWelcomeEmail)
        {
            # Trigger welcome email
            $emailData = @{
                user = $response.pk
                template = "welcome"
            } | ConvertTo-Json
            
            Invoke-RestMethod -Uri "$AuthentikUrl/api/v3/stages/email/send/" -Method POST -Headers $headers -Body $emailData
            Write-Host "Welcome email sent to $Email" -ForegroundColor Green
        }
        
        return $response
    }
    catch
    {
        Write-Error "Failed to create user: $($_.Exception.Message)"
        return $null
    }
}

Group Management and Policies

Dynamic Group Assignment

# Dynamic group assignment based on attributes
group_policies = {
    "developers": {
        "conditions": [
            {"attribute": "department", "value": "Engineering"},
            {"attribute": "job_title", "contains": "Developer"}
        ],
        "permissions": [
            "access_development_apps",
            "code_repository_access"
        ]
    },
    "admins": {
        "conditions": [
            {"attribute": "is_superuser", "value": True}
        ],
        "permissions": [
            "admin_panel_access",
            "user_management",
            "system_configuration"
        ]
    }
}

Security and Compliance

Security Hardening

Password Policies

# Password policy configuration
password_policy:
  minimum_length: 12
  require_uppercase: true
  require_lowercase: true
  require_numbers: true
  require_symbols: true
  check_common_passwords: true
  check_breach_databases: true
  zxcvbn_score_threshold: 3
  expiration_days: 90
  history_count: 12

Session Security

# Session security configuration
session_security:
  timeout_idle: "hours=2"
  timeout_absolute: "hours=8"
  remember_me_duration: "days=30"
  concurrent_sessions: 3
  ip_binding: true
  secure_cookies: true
  same_site: "Strict"

Audit and Compliance

Event Logging Configuration

function Enable-AuthentikAuditing
{
    param(
        [string]$LogLevel = "INFO",
        [string[]]$EventTypes = @("login", "logout", "permission_denied", "configuration_change"),
        [string]$SyslogEndpoint,
        [switch]$EnableForensics
    )
    
    $auditConfig = @{
        enabled = $true
        level = $LogLevel
        events = $EventTypes
        retention_days = 365
        export_format = "json"
    }
    
    if ($SyslogEndpoint)
    {
        $auditConfig.syslog = @{
            enabled = $true
            endpoint = $SyslogEndpoint
            facility = "auth"
            format = "rfc5424"
        }
    }
    
    if ($EnableForensics)
    {
        $auditConfig.forensics = @{
            enabled = $true
            integrity_check = $true
            digital_signature = $true
        }
    }
    
    Write-Host "Audit configuration:" -ForegroundColor Yellow
    $auditConfig | ConvertTo-Json -Depth 3
    
    return $auditConfig
}

Monitoring and Logging

Metrics and Monitoring

Prometheus Integration

# Prometheus metrics configuration
prometheus:
  enabled: true
  endpoint: "/metrics"
  port: 9300
  metrics:
    - authentik_logins_total
    - authentik_failed_logins_total
    - authentik_active_sessions
    - authentik_policy_executions_total
    - authentik_flow_executions_total

Health Check Monitoring

function Test-AuthentikHealth
{
    param(
        [Parameter(Mandatory)]
        [string]$AuthentikUrl,
        [int]$TimeoutSeconds = 30
    )
    
    $healthChecks = @(
        @{ Name = "Web Interface"; Url = "$AuthentikUrl/-/health/live/" }
        @{ Name = "Database"; Url = "$AuthentikUrl/-/health/ready/" }
        @{ Name = "Outpost Connectivity"; Url = "$AuthentikUrl/api/v3/outposts/" }
    )
    
    $results = @()
    
    foreach ($check in $healthChecks)
    {
        try
        {
            $response = Invoke-WebRequest -Uri $check.Url -TimeoutSec $TimeoutSeconds -UseBasicParsing
            $status = if ($response.StatusCode -eq 200) { "Healthy" } else { "Unhealthy" }
            $color = if ($status -eq "Healthy") { "Green" } else { "Red" }
            
            Write-Host "$($check.Name): $status" -ForegroundColor $color
            
            $results += @{
                Component = $check.Name
                Status = $status
                ResponseTime = $response.Headers['X-Response-Time']
                StatusCode = $response.StatusCode
            }
        }
        catch
        {
            Write-Host "$($check.Name): Failed - $($_.Exception.Message)" -ForegroundColor Red
            $results += @{
                Component = $check.Name
                Status = "Failed"
                Error = $_.Exception.Message
            }
        }
    }
    
    return $results
}

Backup and Recovery

Database Backup Strategy

function Backup-AuthentikDatabase
{
    param(
        [Parameter(Mandatory)]
        [string]$BackupPath,
        [string]$DatabaseHost = "localhost",
        [string]$DatabaseName = "authentik",
        [string]$DatabaseUser = "authentik",
        [switch]$Compress,
        [int]$RetentionDays = 30
    )
    
    $timestamp = Get-Date -Format "yyyyMMdd_HHmmss"
    $backupFile = "$BackupPath/authentik_backup_$timestamp.sql"
    
    try
    {
        Write-Host "Starting Authentik database backup..." -ForegroundColor Cyan
        
        # Create PostgreSQL dump
        $pgDumpCmd = "pg_dump -h $DatabaseHost -U $DatabaseUser -d $DatabaseName -f $backupFile --verbose"
        
        if ($Compress)
        {
            $backupFile = "$backupFile.gz"
            $pgDumpCmd += " | gzip"
        }
        
        Invoke-Expression $pgDumpCmd
        
        if (Test-Path $backupFile)
        {
            $fileSize = (Get-Item $backupFile).Length / 1MB
            Write-Host "Backup completed: $backupFile ($([math]::Round($fileSize, 2)) MB)" -ForegroundColor Green
            
            # Cleanup old backups
            Get-ChildItem -Path $BackupPath -Filter "authentik_backup_*.sql*" | 
                Where-Object { $_.CreationTime -lt (Get-Date).AddDays(-$RetentionDays) } |
                Remove-Item -Force
            
            Write-Host "Old backups cleaned up (retention: $RetentionDays days)" -ForegroundColor Yellow
            
            return @{
                BackupFile = $backupFile
                Size = $fileSize
                Success = $true
            }
        }
        else
        {
            throw "Backup file not created"
        }
    }
    catch
    {
        Write-Error "Backup failed: $($_.Exception.Message)"
        return @{ Success = $false; Error = $_.Exception.Message }
    }
}

Configuration Backup

function Export-AuthentikConfiguration
{
    param(
        [Parameter(Mandatory)]
        [string]$AuthentikUrl,
        [Parameter(Mandatory)]
        [string]$ApiToken,
        [Parameter(Mandatory)]
        [string]$ExportPath
    )
    
    $headers = @{
        'Authorization' = "Bearer $ApiToken"
        'Accept' = 'application/json'
    }
    
    $timestamp = Get-Date -Format "yyyyMMdd_HHmmss"
    $configBackup = @{
        exported_at = Get-Date
        version = "2024.2.2"
        components = @{}
    }
    
    try
    {
        Write-Host "Exporting Authentik configuration..." -ForegroundColor Cyan
        
        # Export core configuration
        $endpoints = @{
            "applications" = "/api/v3/core/applications/"
            "groups" = "/api/v3/core/groups/"
            "users" = "/api/v3/core/users/"
            "flows" = "/api/v3/flows/instances/"
            "stages" = "/api/v3/stages/all/"
            "policies" = "/api/v3/policies/all/"
            "sources" = "/api/v3/sources/all/"
            "providers" = "/api/v3/providers/all/"
        }
        
        foreach ($component in $endpoints.Keys)
        {
            Write-Host "Exporting $component..." -ForegroundColor Yellow
            
            $response = Invoke-RestMethod -Uri "$AuthentikUrl$($endpoints[$component])" -Headers $headers
            $configBackup.components[$component] = $response.results
            
            Write-Host "  Exported $($response.results.Count) $component" -ForegroundColor Green
        }
        
        # Save configuration backup
        $backupFile = "$ExportPath/authentik_config_$timestamp.json"
        $configBackup | ConvertTo-Json -Depth 10 | Out-File -FilePath $backupFile -Encoding UTF8
        
        Write-Host "Configuration exported to: $backupFile" -ForegroundColor Green
        
        return @{
            BackupFile = $backupFile
            ComponentCount = $configBackup.components.Keys.Count
            Success = $true
        }
    }
    catch
    {
        Write-Error "Configuration export failed: $($_.Exception.Message)"
        return @{ Success = $false; Error = $_.Exception.Message }
    }
}

Troubleshooting

Common Issues and Solutions

Login and Authentication Issues

function Test-AuthentikAuthentication
{
    param(
        [Parameter(Mandatory)]
        [string]$AuthentikUrl,
        [Parameter(Mandatory)]
        [string]$Username,
        [Parameter(Mandatory)]
        [SecureString]$Password,
        [string]$FlowSlug = "default-authentication-flow"
    )
    
    Write-Host "Testing authentication for user: $Username" -ForegroundColor Cyan
    
    try
    {
        # Get authentication flow
        $flowResponse = Invoke-RestMethod -Uri "$AuthentikUrl/api/v3/flows/executor/$FlowSlug/"
        
        Write-Host "Flow retrieved successfully" -ForegroundColor Green
        Write-Host "Available stages: $($flowResponse.component)" -ForegroundColor Yellow
        
        # Test identification stage
        $identificationData = @{
            uid_field = $Username
        } | ConvertTo-Json
        
        $identificationResponse = Invoke-RestMethod -Uri "$AuthentikUrl/api/v3/flows/executor/$FlowSlug/" -Method POST -Body $identificationData -ContentType "application/json"
        
        if ($identificationResponse.type -eq "redirect")
        {
            Write-Host "✓ User identification successful" -ForegroundColor Green
        }
        else
        {
            Write-Warning "User identification stage returned: $($identificationResponse.type)"
        }
        
        return @{
            Success = $true
            Flow = $flowResponse
            Stage = $identificationResponse.type
        }
    }
    catch
    {
        Write-Error "Authentication test failed: $($_.Exception.Message)"
        
        # Provide troubleshooting suggestions
        Write-Host "`nTroubleshooting suggestions:" -ForegroundColor Yellow
        Write-Host "1. Verify user exists and is active" -ForegroundColor White
        Write-Host "2. Check authentication flow configuration" -ForegroundColor White
        Write-Host "3. Review authentication logs" -ForegroundColor White
        Write-Host "4. Verify source configuration (LDAP/Internal)" -ForegroundColor White
        
        return @{ Success = $false; Error = $_.Exception.Message }
    }
}

Diagnostic Tools

function Get-AuthentikDiagnostics
{
    param(
        [Parameter(Mandatory)]
        [string]$AuthentikUrl,
        [string]$ApiToken,
        [switch]$IncludeLogs,
        [int]$LogHours = 24
    )
    
    $diagnostics = @{
        timestamp = Get-Date
        system_info = @{}
        health_checks = @{}
        configuration = @{}
        logs = @()
    }
    
    try
    {
        # System information
        Write-Host "Gathering system information..." -ForegroundColor Yellow
        
        $headers = @{ 'Authorization' = "Bearer $ApiToken" }
        
        # Version information
        $versionInfo = Invoke-RestMethod -Uri "$AuthentikUrl/api/v3/admin/version/" -Headers $headers
        $diagnostics.system_info.version = $versionInfo
        
        # System metrics
        $metricsResponse = Invoke-WebRequest -Uri "$AuthentikUrl/-/metrics/" -UseBasicParsing
        $diagnostics.system_info.metrics = $metricsResponse.Content
        
        # Health checks
        Write-Host "Performing health checks..." -ForegroundColor Yellow
        
        $healthChecks = @{
            "live" = "$AuthentikUrl/-/health/live/"
            "ready" = "$AuthentikUrl/-/health/ready/"
        }
        
        foreach ($check in $healthChecks.Keys)
        {
            try
            {
                $response = Invoke-WebRequest -Uri $healthChecks[$check] -UseBasicParsing
                $diagnostics.health_checks[$check] = @{
                    status = $response.StatusCode
                    content = $response.Content
                }
            }
            catch
            {
                $diagnostics.health_checks[$check] = @{
                    status = "error"
                    error = $_.Exception.Message
                }
            }
        }
        
        # Configuration summary
        Write-Host "Gathering configuration summary..." -ForegroundColor Yellow
        
        $configEndpoints = @{
            "applications" = "/api/v3/core/applications/"
            "flows" = "/api/v3/flows/instances/"
            "stages" = "/api/v3/stages/all/"
            "policies" = "/api/v3/policies/all/"
        }
        
        foreach ($endpoint in $configEndpoints.Keys)
        {
            try
            {
                $response = Invoke-RestMethod -Uri "$AuthentikUrl$($configEndpoints[$endpoint])" -Headers $headers
                $diagnostics.configuration[$endpoint] = @{
                    count = $response.pagination.count
                    items = $response.results | Select-Object -First 5 name, pk
                }
            }
            catch
            {
                $diagnostics.configuration[$endpoint] = @{ error = $_.Exception.Message }
            }
        }
        
        # Recent logs (if requested)
        if ($IncludeLogs -and $ApiToken)
        {
            Write-Host "Gathering recent logs..." -ForegroundColor Yellow
            
            $logsResponse = Invoke-RestMethod -Uri "$AuthentikUrl/api/v3/events/events/?ordering=-created&page_size=100" -Headers $headers
            $diagnostics.logs = $logsResponse.results | Where-Object { 
                $_.created -gt (Get-Date).AddHours(-$LogHours) 
            }
        }
        
        Write-Host "Diagnostics completed successfully" -ForegroundColor Green
        return $diagnostics
    }
    catch
    {
        Write-Error "Diagnostics collection failed: $($_.Exception.Message)"
        return $null
    }
}

Enterprise Best Practices

Production High Availability

# Kubernetes high availability deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: authentik-server
spec:
  replicas: 3
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 0
  selector:
    matchLabels:
      app: authentik-server
  template:
    metadata:
      labels:
        app: authentik-server
    spec:
      containers:
      - name: authentik
        image: ghcr.io/goauthentik/server:2024.2.2
        command: ["ak"]
        args: ["server"]
        env:
        - name: AUTHENTIK_SECRET_KEY
          valueFrom:
            secretKeyRef:
              name: authentik-secret
              key: secret-key
        - name: AUTHENTIK_POSTGRESQL__HOST
          value: "postgres-cluster"
        - name: AUTHENTIK_REDIS__HOST
          value: "redis-cluster"
        ports:
        - containerPort: 9000
        - containerPort: 9443
        resources:
          requests:
            memory: "512Mi"
            cpu: "500m"
          limits:
            memory: "1Gi"
            cpu: "1000m"
        livenessProbe:
          httpGet:
            path: /-/health/live/
            port: 9000
          initialDelaySeconds: 30
          periodSeconds: 30
        readinessProbe:
          httpGet:
            path: /-/health/ready/
            port: 9000
          initialDelaySeconds: 10
          periodSeconds: 10

Performance Optimization

function Optimize-AuthentikPerformance
{
    param(
        [int]$WebWorkers = 4,
        [int]$BackgroundWorkers = 2,
        [string]$RedisMaxMemory = "256mb",
        [string]$PostgresSharedBuffers = "256MB"
    )
    
    $optimizations = @{
        web_server = @{
            workers = $WebWorkers
            worker_connections = 1000
            keepalive_timeout = 65
            client_max_body_size = "25M"
        }
        
        background_workers = @{
            count = $BackgroundWorkers
            max_tasks_per_child = 1000
            pool_pre_ping = $true
        }
        
        redis = @{
            maxmemory = $RedisMaxMemory
            maxmemory_policy = "allkeys-lru"
            save_intervals = @("900 1", "300 10", "60 10000")
        }
        
        postgresql = @{
            shared_buffers = $PostgresSharedBuffers
            effective_cache_size = "1GB"
            maintenance_work_mem = "64MB"
            max_connections = 200
        }
    }
    
    Write-Host "Performance optimization recommendations:" -ForegroundColor Cyan
    $optimizations | ConvertTo-Json -Depth 3
    
    return $optimizations
}

Automation and Scripting

PowerShell Module for Authentik Management

# AuthentikManagement.psm1
class AuthentikClient
{
    [string]$BaseUrl
    [string]$ApiToken
    [hashtable]$Headers
    
    AuthentikClient([string]$url, [string]$token)
    {
        $this.BaseUrl = $url.TrimEnd('/')
        $this.ApiToken = $token
        $this.Headers = @{
            'Authorization' = "Bearer $token"
            'Content-Type' = 'application/json'
        }
    }
    
    [object] InvokeApi([string]$endpoint, [string]$method = 'GET', [object]$body = $null)
    {
        $uri = "$($this.BaseUrl)$endpoint"
        $params = @{
            Uri = $uri
            Method = $method
            Headers = $this.Headers
        }
        
        if ($body)
        {
            $params.Body = $body | ConvertTo-Json -Depth 10
        }
        
        try
        {
            return Invoke-RestMethod @params
        }
        catch
        {
            Write-Error "API call failed: $($_.Exception.Message)"
            return $null
        }
    }
    
    [array] GetUsers([string]$search = "")
    {
        $endpoint = "/api/v3/core/users/"
        if ($search) { $endpoint += "?search=$search" }
        
        $response = $this.InvokeApi($endpoint)
        return $response.results
    }
    
    [object] CreateUser([hashtable]$userData)
    {
        return $this.InvokeApi("/api/v3/core/users/", "POST", $userData)
    }
    
    [array] GetApplications()
    {
        $response = $this.InvokeApi("/api/v3/core/applications/")
        return $response.results
    }
    
    [object] CreateApplication([hashtable]$appData)
    {
        return $this.InvokeApi("/api/v3/core/applications/", "POST", $appData)
    }
}

function Connect-Authentik
{
    param(
        [Parameter(Mandatory)]
        [string]$Url,
        [Parameter(Mandatory)]
        [string]$ApiToken
    )
    
    return [AuthentikClient]::new($Url, $ApiToken)
}

function New-AuthentikApplication
{
    param(
        [Parameter(Mandatory)]
        [AuthentikClient]$Client,
        [Parameter(Mandatory)]
        [string]$Name,
        [Parameter(Mandatory)]
        [string]$Slug,
        [string]$Provider,
        [string]$Group = "",
        [hashtable]$PolicyBindings = @{}
    )
    
    $appData = @{
        name = $Name
        slug = $Slug
        provider = $Provider
        group = $Group
        policy_engine_mode = "any"
        meta_description = "Created via PowerShell automation"
    }
    
    if ($PolicyBindings.Count -gt 0)
    {
        $appData.policy_bindings = $PolicyBindings
    }
    
    return $Client.CreateApplication($appData)
}

Export-ModuleMember -Function Connect-Authentik, New-AuthentikApplication

Bulk Operations Script

function Import-UsersFromCsv
{
    param(
        [Parameter(Mandatory)]
        [string]$CsvPath,
        [Parameter(Mandatory)]
        [AuthentikClient]$AuthentikClient,
        [string[]]$DefaultGroups = @(),
        [switch]$SendWelcomeEmail
    )
    
    if (-not (Test-Path $CsvPath))
    {
        throw "CSV file not found: $CsvPath"
    }
    
    $users = Import-Csv -Path $CsvPath
    $results = @()
    
    Write-Host "Importing $($users.Count) users from CSV..." -ForegroundColor Cyan
    
    foreach ($user in $users)
    {
        try
        {
            $userData = @{
                username = $user.Username
                email = $user.Email
                first_name = $user.FirstName
                last_name = $user.LastName
                is_active = $true
                groups = $DefaultGroups + ($user.Groups -split ',')
            }
            
            $result = $AuthentikClient.CreateUser($userData)
            
            if ($result)
            {
                Write-Host "✓ Created user: $($user.Username)" -ForegroundColor Green
                $results += @{
                    Username = $user.Username
                    Status = "Success"
                    UserId = $result.pk
                }
                
                if ($SendWelcomeEmail)
                {
                    # Send welcome email logic here
                }
            }
            else
            {
                Write-Warning "Failed to create user: $($user.Username)"
                $results += @{
                    Username = $user.Username
                    Status = "Failed"
                    Error = "API call failed"
                }
            }
        }
        catch
        {
            Write-Error "Error creating user $($user.Username): $($_.Exception.Message)"
            $results += @{
                Username = $user.Username
                Status = "Error"
                Error = $_.Exception.Message
            }
        }
    }
    
    # Summary
    $successful = ($results | Where-Object { $_.Status -eq "Success" }).Count
    $failed = $results.Count - $successful
    
    Write-Host "`nImport Summary:" -ForegroundColor Cyan
    Write-Host "  Total users processed: $($results.Count)" -ForegroundColor White
    Write-Host "  Successful: $successful" -ForegroundColor Green
    Write-Host "  Failed: $failed" -ForegroundColor Red
    
    return $results
}

References and Resources

Official Documentation

Community Resources

Security Standards

Enterprise Integration

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