version: "3.8"

services:
  app:
    build: .
    ports:
      - "3000:3000" # Expose app on host port 3000
    depends_on:
      db:
        condition: service_healthy # Wait for DB to be healthy
      redis:
        condition: service_started # Wait for Redis to start
    environment:
      - DB_HOST=${DB_HOST}
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_NAME=${DB_NAME}
      - PORT=${PORT}
      - REDIS_HOST=${REDIS_HOST:-redis}
      - REDIS_PORT=${REDIS_PORT:-6379}
      - REDIS_PASSWORD=${REDIS_PASSWORD:-}
    restart: unless-stopped

  db:
    image: postgres:15-alpine
    ports:
      - "5432:5432" # Standard PostgreSQL port
    environment:
      POSTGRES_USER: ${DB_USER}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_DB: ${DB_NAME}
    volumes:
      - pg_data:/var/lib/postgresql/data # Persist database data
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql # Run init script on startup
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER} -d ${DB_NAME} -h localhost"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  redis:
    image: redis:7-alpine
    ports:
      - "6380:6379" # Expose Redis on host port 6380 (to avoid conflict if you have local Redis on 6379)
    command: redis-server --appendonly yes --requirepass ${REDIS_PASSWORD:-}
    volumes:
      - redis_data:/data # Persist Redis data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    restart: unless-stopped

volumes:
  pg_data:
  redis_data: