services:
  nats:
    image: nats:2.10-alpine
    restart: unless-stopped
    command: ["-c", "/etc/nats/nats-server.conf"]
    environment:
      - SERVICE_FQDN_NATS_8080
      - NATS_USER=${NATS_USER}
      - NATS_PASSWORD=${NATS_PASSWORD}
    volumes:
      - ./nats-server.conf:/etc/nats/nats-server.conf:ro
      - nats-data:/data
    expose:
      - "4222"
      - "8080"
      - "8222"
    healthcheck:
      test: ["CMD", "wget", "-qO-", "http://localhost:8222/healthz"]
      interval: 30s
      timeout: 5s
      retries: 3

volumes:
  nats-data: