# Core Infrastructure Stack
# Essential services required for the homelab to function
# Deploy this stack FIRST before any other services
# Place in /opt/stacks/core/docker-compose.yml

# Service Access URLs:
# - DuckDNS: No web UI (updates IP automatically)
# - Traefik: https://traefik.${DOMAIN}
# - Authelia: https://auth.${DOMAIN}

services:
  # DuckDNS - Dynamic DNS updater
  # Updates your public IP automatically for Let's Encrypt SSL
  duckdns:
    image: lscr.io/linuxserver/duckdns:latest
    container_name: duckdns
    restart: unless-stopped
    environment:
      - PUID=${PUID:-1000}
      - PGID=${PGID:-1000}
      - TZ=${TZ}
      - SUBDOMAINS=${DUCKDNS_SUBDOMAINS}  # Your subdomain(s), comma separated
      - TOKEN=${DUCKDNS_TOKEN}            # Your DuckDNS token
      - UPDATE_IP=ipv4                    # or ipv6, or both
    volumes:
      - ./duckdns:/config
    labels:
      - "homelab.category=infrastructure"
      - "homelab.description=Dynamic DNS updater"

  # Traefik - Reverse proxy with automatic SSL
  # Routes all traffic and manages Let's Encrypt certificates
  traefik:
    image: traefik:v2.11
    container_name: traefik
    restart: unless-stopped
    security_opt:
      - no-new-privileges:true
    networks:
      - traefik-network
    ports:
      - "80:80"      # HTTP
      - "443:443"    # HTTPS
      - "8080:8080"  # Dashboard (protected with Authelia)
    volumes:
      - /etc/localtime:/etc/localtime:ro
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./traefik/traefik.yml:/traefik.yml:ro
      - ./traefik/dynamic:/dynamic:ro
      - ./traefik/acme.json:/acme.json
    environment:
      - CF_DNS_API_TOKEN=${CF_DNS_API_TOKEN}  # If using Cloudflare DNS challenge
      - DUCKDNS_TOKEN=${DUCKDNS_TOKEN}        # If using DuckDNS
    labels:
      - "traefik.enable=true"
      # Dashboard
      - "traefik.http.routers.traefik.rule=Host(`traefik.${DOMAIN}`)"
      - "traefik.http.routers.traefik.entrypoints=websecure"
      - "traefik.http.routers.traefik.tls.certresolver=letsencrypt"
      - "traefik.http.routers.traefik.tls.domains[0].main=${DOMAIN}"
      - "traefik.http.routers.traefik.tls.domains[0].sans=*.${DOMAIN}"
      - "traefik.http.routers.traefik.middlewares=authelia@docker"
      - "traefik.http.routers.traefik.service=api@internal"
      # Global HTTP to HTTPS redirect
      - "traefik.http.routers.http-catchall.rule=hostregexp(`{host:.+}`)"
      - "traefik.http.routers.http-catchall.entrypoints=web"
      - "traefik.http.routers.http-catchall.middlewares=redirect-to-https"
      - "traefik.http.middlewares.redirect-to-https.redirectscheme.scheme=https"
    depends_on:
      - duckdns

  # Authelia - SSO authentication
  # Protects all admin services with single sign-on
  authelia:
    image: authelia/authelia:4.37
    container_name: authelia
    restart: unless-stopped
    networks:
      - traefik-network
    volumes:
      - ./authelia/configuration.yml:/config/configuration.yml:ro
      - ./authelia/users_database.yml:/config/users_database.yml
      - authelia-data:/data
    environment:
      - TZ=${TZ}
      - AUTHELIA_JWT_SECRET=${AUTHELIA_JWT_SECRET}
      - AUTHELIA_SESSION_SECRET=${AUTHELIA_SESSION_SECRET}
      - AUTHELIA_STORAGE_ENCRYPTION_KEY=${AUTHELIA_STORAGE_ENCRYPTION_KEY}
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.authelia.rule=Host(`auth.${DOMAIN}`)"
      - "traefik.http.routers.authelia.entrypoints=websecure"
      - "traefik.http.routers.authelia.tls=true"
      - "traefik.http.services.authelia.loadbalancer.server.port=9091"
      # Authelia middleware for other services
      - "traefik.http.middlewares.authelia.forwardauth.address=http://authelia:9091/api/verify?rd=https://auth.${DOMAIN}"
      - "traefik.http.middlewares.authelia.forwardauth.trustForwardHeader=true"
      - "traefik.http.middlewares.authelia.forwardauth.authResponseHeaders=Remote-User,Remote-Groups,Remote-Name,Remote-Email"
    depends_on:
      - traefik

volumes:
  authelia-data:
    driver: local

networks:
  traefik-network:
    external: true