docker-compose.yml

# This docker-compose.yml file defines three services: db, backend, and frontend. The db service uses the official PostgreSQL image and initializes the database with a provided SQL script. The backend service depends on the db service and is built from a Docker image that you have pushed to Docker Hub. The frontend service also depends on the backend and is built from another Docker image. Both services are configured to restart automatically and expose their respective ports.
# psql -U admin -d mydb
version: "3.9"

services:
  db:
    image: postgres:15
    container_name: mydb
    restart: always
    environment:
      POSTGRES_USER: admin
      POSTGRES_PASSWORD: admin123
      POSTGRES_DB: mydb
    ports:
      - "5432:5432"
    volumes:
      - ./backend/db/init.sql:/docker-entrypoint-initdb.d/init.sql
      - db_data:/var/lib/postgresql/data
    # healthcheck:
    #   test: ["CMD-SHELL", "pg_isready -U admin"]
    #   interval: 5s
    #   retries: 5

  backend:
    image: alfinakash/fullstack-backend:latest
    container_name: backend
    restart: always
    environment:
      DB_HOST: db
      DB_USER: admin
      DB_PASSWORD: admin123
      DB_NAME: mydb
      DB_PORT: 5432
      PORT: 5000
      JWT_SECRET: your_jwt_secret_here
    ports:
      - "5000:5000"
    # depends_on:
    #   db:
    #     condition: service_healthy

  frontend:
    image: alfinakash/fullstack-frontend:latest
    container_name: frontend
    restart: always
    environment:
      VITE_BACKEND_URL: http://localhost:5000
    ports:
      - "3000:3000"
    depends_on:
      - backend

volumes:
  db_data: