version: '3.8'

services:
  postgres:
    image: postgres:16-alpine
    container_name: todo-postgres
    environment:
      POSTGRES_DB: tododb
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    ports:
      - "5432:5432"
    volumes:
      - postgres-data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5

  app:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: todo-app
    environment:
      DB_HOST: postgres
      DB_PORT: 5432
      DB_NAME: tododb
      DB_USER: postgres
      DB_PASSWORD: postgres
    ports:
      - "8080:8080"
    depends_on:
      postgres:
        condition: service_healthy

  prometheus:
    image: prom/prometheus:latest
    container_name: todo-prometheus
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus-data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
    ports:
      - "9090:9090"
    depends_on:
      - app

  grafana:
    image: grafana/grafana:latest
    container_name: todo-grafana
    volumes:
      - grafana-data:/var/lib/grafana
      - ./grafana-datasource.yml:/etc/grafana/provisioning/datasources/datasource.yml
      - ./grafana-dashboard-provider.yml:/etc/grafana/provisioning/dashboards/provider.yml
      - ./grafana-dashboard-app.json:/etc/grafana/provisioning/dashboards/app.json
      - ./grafana-dashboard-db.json:/etc/grafana/provisioning/dashboards/db.json
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=admin
      - GF_USERS_ALLOW_SIGN_UP=false
    ports:
      - "3000:3000"
    depends_on:
      - prometheus

volumes:
  postgres-data:
  prometheus-data:
  grafana-data: