services:

  # ─────────────────────────────────────────────
  # Caddy — reverse proxy + automatic HTTPS (TLS via Let's Encrypt)
  # Handles all inbound traffic on 80/443
  # ─────────────────────────────────────────────
  caddy:
    image: caddy:2-alpine
    container_name: alpine_caddy
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile:ro
      - caddy_data:/data
      - caddy_config:/config
    depends_on:
      - gitea
    networks:
      - alpine_net

  # ─────────────────────────────────────────────
  # PostgreSQL — primary database
  # AlpineConsent app data: users, sites, consent logs
  # (Gitea uses its own SQLite — no DB config needed here for Gitea)
  # ─────────────────────────────────────────────
  postgres:
    image: postgres:${POSTGRES_VERSION:-16-alpine}
    container_name: alpine_postgres
    restart: unless-stopped
    environment:
      POSTGRES_USER: ${DB_USER}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_DB: ${DB_NAME}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER} -d ${DB_NAME}"]
      interval: 10s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          memory: 512M
    networks:
      - alpine_net
    # No host-port mapping — only reachable inside alpine_net

  # ─────────────────────────────────────────────
  # Redis — in-memory cache + rate limiting
  # Password protected; not exposed to host
  # ─────────────────────────────────────────────
  redis:
    image: redis:${REDIS_VERSION:-7-alpine}
    container_name: alpine_redis
    restart: unless-stopped
    command: redis-server --requirepass ${REDIS_PASSWORD}
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "-a", "${REDIS_PASSWORD}", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          memory: 256M
    networks:
      - alpine_net
    # No host-port mapping — only reachable inside alpine_net

  # ─────────────────────────────────────────────
  # Gitea — self-hosted Git repository server
  # Database: SQLite (built-in, sufficient for team size)
  # HTTP handled by Caddy — no port 3000 on host
  # SSH on 2222 for git push
  # Push Mirror to GitHub configured inside Gitea UI
  # ─────────────────────────────────────────────
  gitea:
    image: gitea/gitea:${GITEA_VERSION:-1.22}
    container_name: alpine_gitea
    restart: unless-stopped
    environment:
      - USER_UID=1000
      - USER_GID=1000
      - GITEA__server__ROOT_URL=https://${GIT_DOMAIN}/
      - GITEA__server__HTTP_PORT=3000
      - GITEA__actions__ENABLED=true
    ports:
      - "2222:22"     # SSH for git push
    volumes:
      - gitea_data:/data
      - /etc/timezone:/etc/timezone:ro
      - /etc/localtime:/etc/localtime:ro
    deploy:
      resources:
        limits:
          memory: 1024M
    networks:
      - alpine_net
    # Note: no depends_on postgres — Gitea uses SQLite, not PostgreSQL

  # ─────────────────────────────────────────────
  # Gitea Act Runner — CI/CD job executor
  # Connects to Gitea over internal Docker network via Caddy/domain
  # ─────────────────────────────────────────────
  gitea_runner:
    image: gitea/act_runner:${RUNNER_VERSION:-0.6.1}
    container_name: alpine_runner
    restart: unless-stopped
    environment:
      - GITEA_INSTANCE_URL=http://gitea:3000
      - GITEA_RUNNER_REGISTRATION_TOKEN=${GITEA_RUNNER_TOKEN}
      - GITEA_RUNNER_NAME=alpine_runner
      - GITEA_RUNNER_LABELS=ubuntu-latest,ubuntu-24.04
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - gitea_runner_data:/data
    deploy:
      resources:
        limits:
          memory: 512M
    depends_on:
      - gitea
    networks:
      - alpine_net

# ─────────────────────────────────────────────
volumes:
  postgres_data:
  redis_data:
  gitea_data:
  gitea_runner_data:
  caddy_data:
  caddy_config:

networks:
  alpine_net:
    driver: bridge