docker-compose.yml

version: '3.8'

services:
  postgres:
    image: postgres:16
    environment:
      POSTGRES_USER: exchange
      POSTGRES_PASSWORD: password
      POSTGRES_DB: exchange
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U exchange -d exchange"]
      interval: 5s
      timeout: 5s
      retries: 5
    volumes:
      - pgdata:/var/lib/postgresql/data

  migrate:
    build: 
      context: ./backend
    environment:
      DATABASE_URL: postgres://exchange:password@postgres:5432/exchange
    command: ["node", "dist/db/migrate.js"]
    depends_on:
      postgres:
        condition: service_healthy

  exchange:
    build:
      context: ./backend
    environment:
      DATABASE_URL: postgres://exchange:password@postgres:5432/exchange
      PORT: 3001
      NODE_ENV: production
      LOG_LEVEL: info
      JOURNAL_PATH: /app/data/exchange.journal
    ports:
      - "3001:3001"
    restart: on-failure
    depends_on:
      postgres:
        condition: service_healthy
      migrate:
        condition: service_completed_successfully
    healthcheck:
      test: ["CMD", "node", "-e", "require('http').get('http://localhost:3001/health', (r) => { if (r.statusCode !== 200) process.exit(1); else process.exit(0); }).on('error', () => process.exit(1))"]
      interval: 10s
      timeout: 5s
      retries: 3
    volumes:
      - exchange_data:/app/data

  prometheus:
    image: prom/prometheus:latest
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
    ports:
      - "9090:9090"
    depends_on:
      exchange:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "wget", "--spider", "-q", "http://localhost:9090/-/healthy"]
      interval: 10s
      timeout: 5s
      retries: 3

volumes:
  pgdata:
  exchange_data: