docker-compose.yaml

version: '3.8'

services:
  db:
    image: postgres
    environment:
      POSTGRES_PASSWORD: password123
      POSTGRES_USER: user123
      POSTGRES_DB: db123

  backend:
    container_name: express_backend
    build:
      context: ./backend
      dockerfile: Dockerfile
    ports:
      - "8000:8000"
    depends_on:
      - db  # Ensures that the database starts before the backend

  prometheus:
    image: prom/prometheus:latest
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
    ports:
      - "9090:9090"  # Prometheus web UI
    depends_on:
      - backend  # Ensure the backend starts before Prometheus

  grafana:
    image: grafana/grafana:latest
    ports:
      - "3000:3000"  # Grafana web UI
    depends_on:
      - prometheus  # Ensure Prometheus starts before Grafana
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin  # Set Grafana admin password