services:
  traefik:
    image: ${TRAEFIK_IMAGE}
    container_name: traefik
    restart: unless-stopped
    extra_hosts:
      - "host.docker.internal:host-gateway"

    command:
      - "--ping=true"

      # Logs
      - "--log.level=${TRAEFIK_LOG_LEVEL}"
      - "--accesslog=true"
      - "--accesslog.filepath=/var/log/traefik/access.log"
      - "--accesslog.format=json"

      # Dashboard
      - "--api.dashboard=true"
      - "--api.insecure=false"

      # Entrypoints
      - "--entrypoints.web.address=:80"
      - "--entrypoints.websecure.address=:443"

      # Redirección HTTP -> HTTPS
      - "--entrypoints.web.http.redirections.entrypoint.to=websecure"
      - "--entrypoints.web.http.redirections.entrypoint.scheme=https"

      # Proveedor Docker
      - "--providers.docker=true"
      - "--providers.docker.exposedbydefault=false"
      - "--providers.docker.network=${TRAEFIK_DOCKER_NETWORK}"

      # Permite backend HTTPS con certificado interno/sin SAN de IP
      - "--serverstransport.insecureskipverify=true"

      # Proveedor de ficheros dinámicos
      - "--providers.file.directory=/dynamic"
      - "--providers.file.watch=true"

      # Cloudflare forwardedHeaders desactivado intencionalmente:
      # con CGNAT el bouncer de CrowdSec vería la IP real del usuario y la banearía
      # aunque el tráfico llegue por el tunnel. El bouncer ve la IP del contenedor
      # cloudflared (red Docker privada, en allowlist) y nunca bloquea tráfico CF.

      # Plugin CrowdSec Bouncer (middleware de seguridad L7)
      - "--experimental.plugins.crowdsec-bouncer.modulename=github.com/maxlerebourg/crowdsec-bouncer-traefik-plugin"
      - "--experimental.plugins.crowdsec-bouncer.version=v1.6.0"

      # Plugin Sablier (scale-to-zero on demand)
      - "--experimental.plugins.sablier.modulename=github.com/acouvreur/sablier"
      - "--experimental.plugins.sablier.version=v1.8.0"

      # ACME / Let's Encrypt (resolver "letsencrypt")
      - "--certificatesresolvers.letsencrypt.acme.email=${TRAEFIK_ACME_EMAIL}"
      - "--certificatesresolvers.letsencrypt.acme.storage=${TRAEFIK_ACME_STORAGE}"
      - "--certificatesresolvers.letsencrypt.acme.httpchallenge=true"
      - "--certificatesresolvers.letsencrypt.acme.httpchallenge.entrypoint=web"

    ports:
      - "${TRAEFIK_HTTP_PORT}:80"
      - "${TRAEFIK_HTTPS_PORT}:443"

    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro,Z
      - ${TRAEFIK_DYNAMIC_DIR}:/dynamic:Z
      - ${TRAEFIK_LETSENCRYPT_DIR}:/letsencrypt:Z
      - ${TRAEFIK_LOG_DIR}:/var/log/traefik:Z
      - /opt/traefik/plugins-storage:/plugins-storage:Z

    networks:
      - proxy

    healthcheck:
      test: ["CMD", "traefik", "healthcheck", "--ping"]
      interval: 10s
      timeout: 5s
      retries: 5

networks:
  proxy:
    external: true