version: '3.8'

services:
  # Development database
  db-dev:
    image: postgres:16-alpine
    container_name: wealth-db-dev
    environment:
      POSTGRES_USER: wealth
      POSTGRES_PASSWORD: wealth_dev
      POSTGRES_DB: wealth_dev
    ports:
      - '5432:5432'
    volumes:
      - postgres_dev_data:/var/lib/postgresql/data
    healthcheck:
      test: ['CMD-SHELL', 'pg_isready -U wealth -d wealth_dev']
      interval: 10s
      timeout: 5s
      retries: 5

  # Staging database
  db-staging:
    image: postgres:16-alpine
    container_name: wealth-db-staging
    environment:
      POSTGRES_USER: wealth
      POSTGRES_PASSWORD: ${STAGING_DB_PASSWORD:-wealth_staging}
      POSTGRES_DB: wealth_staging
    ports:
      - '5433:5432'
    volumes:
      - postgres_staging_data:/var/lib/postgresql/data
    healthcheck:
      test: ['CMD-SHELL', 'pg_isready -U wealth -d wealth_staging']
      interval: 10s
      timeout: 5s
      retries: 5

  # Production database
  db-prod:
    image: postgres:16-alpine
    container_name: wealth-db-prod
    environment:
      POSTGRES_USER: wealth
      POSTGRES_PASSWORD: ${PROD_DB_PASSWORD:?PROD_DB_PASSWORD is required}
      POSTGRES_DB: wealth_prod
    ports:
      - '5434:5432'
    volumes:
      - postgres_prod_data:/var/lib/postgresql/data
    healthcheck:
      test: ['CMD-SHELL', 'pg_isready -U wealth -d wealth_prod']
      interval: 10s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          memory: 1G

volumes:
  postgres_dev_data:
  postgres_staging_data:
  postgres_prod_data: