docker-compose.yml

# File: docker-compose.yml

version: '3.8'

services:
  # 1. The PostgreSQL Database Service
  postgres:
    image: postgres:16-alpine
    container_name: rustforms-db
    ports:
      - "5432:5432" # Expose the database port to your local machine
    environment:
      # These are the credentials your Rust app will use to connect.
      # You can change these, but make sure they match your .env file.
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      POSTGRES_DB: rustforms_db
    volumes:
      - rustforms-data:/var/lib/postgresql/data # This saves your DB data even if the container stops
    restart: unless-stopped

  # 2. The Rust API Service (we will create its Dockerfile next)
  api:
    container_name: rustforms-api
    build:
      context: .
      dockerfile: apps/api/Dockerfile
    ports:
      - "3001:3001" # Expose the API port
    depends_on:
      - postgres # Tells Docker to start the database before starting the API
    environment:
      # We will create this .env.docker file next
      - .env.docker
    restart: unless-stopped

volumes:
  rustforms-data: # Defines the persistent volume for the database