services:
  coredns:
    image: ${COREDNS_IMAGE}
    container_name: coredns
    restart: unless-stopped
    command: ["-conf", "/etc/coredns/Corefile"]
    ports:
      - "${DNS_PORT}:53/udp"
      - "${DNS_PORT}:53/tcp"
      - "${METRICS_PORT}:9153/tcp"
      - "${HEALTH_PORT}:8080/tcp"
    volumes:
      - ./Corefile:/etc/coredns/Corefile:ro
      - ./zones-prepared:/zones:ro
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://127.0.0.1:8080/health"]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 10s