docker-compose.yaml

name: mercure-hub
services:
  hub:
    build:
      context: .
      dockerfile: Dockerfile
    environment:
      MERCURE_LOG_LEVEL: "${MERCURE_LOG_LEVEL:-debug}"
      MERCURE_METRICS: "${MERCURE_METRICS:-true}"
      MERCURE_WEB_UI: "${MERCURE_WEB_UI:-true}"
      MERCURE_SUBSCRIPTIONS_API: "${MERCURE_SUBSCRIPTIONS_API:-true}"
      MERCURE_LISTEN_ADDRESS: "${MERCURE_LISTEN_ADDRESS:-0.0.0.0:8000}"
    env_file:
      - ./.env
    volumes:
      - .:/app
    ports:
      - host_ip: "127.0.0.1"
        protocol: tcp
        published: 8000
        target: 8000
        app_protocol: http
        name: "Mercure Hub HTTP"
    expose:
      - "8000"

  redis:
    image: redis:latest
    expose:
      - "6379"
    ports:
      - host_ip: "127.0.0.1"
        protocol: tcp
        published: 6379
        target: 6379
        name: "Redis TCP"

  redis-exporter:
    image: "oliver006/redis_exporter:latest"
    environment:
      REDIS_ADDR: "redis://redis:6379"
    expose:
      - 9121

  prometheus:
    image: prom/prometheus:latest
    volumes:
      - type: volume
        source: prometheus
        target: /prometheus
      - type: bind
        source: ./prometheus.yaml
        target: /etc/prometheus/prometheus.yml
        read_only: true
        consistency: cached
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--log.level=warn"
    expose:
      - 9090
    ports:
      - host_ip: "127.0.0.1"
        protocol: tcp
        published: 9090
        target: 9090
        app_protocol: http
        name: "Prometheus HTTP"

volumes:
  prometheus:
    name: mercure-prometheus