docker-compose.yaml

version: '3'
services:
  redis:
    image: redis:alpine
  prometheus:
    image: prom/prometheus:latest
    volumes:
      - ./prometheus.yaml:/etc/prometheus/prometheus.yaml
    ports:
      - "9090:9090"
  loki:
    image: grafana/loki:latest
    command: -config.file=/etc/loki/local-config.yaml
    volumes:
      - ./loki-config.yaml:/etc/loki/local-config.yml
    ports:
      - "3100:3100"

  promtail:
    image: grafana/promtail:latest
    links:
      - loki
    volumes:
      - ./promtail-config.yaml:/etc/promtail/config.yml
      - rails-logs:/var/log/rails
      - caddy-logs:/var/log/caddy
      # - /var/log:/var/log
    command: -config.file=/etc/promtail/config.yml
 
  grafana:
    image: grafana/grafana:latest
    environment:
      - ADMIN_USER=admin
      - ADMIN_PASSWORD=admin
    volumes:
      - grafana_data:/var/lib/grafana
    links:
      - prometheus
      - loki
      - promtail
    ports:
      - "3001:3000"

  caddy:
    image: caddy:alpine
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile
      - caddy-logs:/var/log/caddy
    ports:
      - 80:80
      - 443:443
networks:
  internal_network:
    driver: bridge

volumes:
  caddy-logs:
  rails-logs:
  grafana_data: