version: '3.8'

services:
  # APP EXEMPLE
  nginx-app:
    container_name: nginx-app
    image: nginx
    # NECESSARY FOR LOKI
    labels:
      logging: "promtail"
      logging_jobname: "containerlogs"
    ports:
      - 8080:80
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:80"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 20s

  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    ports:
      - 3000:3000
    volumes:
      - ./grafana/provisioning/datasources:/etc/grafana/provisioning/datasources
      - ./grafana/dashboards:/var/lib/grafana/dashboards
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:3000/api/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 20s

  loki:
    image: grafana/loki:latest
    container_name: loki
    ports:
      - 3100:3100
    volumes:
      - ./loki/config:/etc/loki
      - ./loki/certs:/etc/loki/certs
    command: -config.file=/etc/loki/config.yml
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:3100/ready"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 20s

  promtail:
    image: grafana/promtail:latest
    container_name: promtail
    volumes:
      - ./promtail/config.yml:/etc/promtail/config.yml
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
      - /var/run/docker.sock:/var/run/docker.sock
      - /var/log:/var/log
    command: -config.file=/etc/promtail/config.yml
    depends_on:
      - loki