Docker Compose for Local Development Environments

version: '3.8'

services:
  app:
    build:
      context: .
      target: development
    ports:
      - "3000:3000"
    volumes:
      - .:/app
      - /app/node_modules
    environment:
      - NODE_ENV=development
      - DATABASE_URL=postgres://user:pass@db:5432/mydb
      - REDIS_URL=redis://redis:6379
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_started
    command: npm run dev

  db:
    image: postgres:15-alpine
    volumes:
      - postgres_data:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: pass
      POSTGRES_DB: mydb
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U user -d mydb"]
      interval: 5s
      timeout: 5s
      retries: 5

  redis:
    image: redis:7-alpine
    volumes:
      - redis_data:/data

  mailhog:
    image: mailhog/mailhog
    ports:
      - "1025:1025"
      - "8025:8025"

volumes:
  postgres_data:
  redis_data:
# Build stage
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

# Development stage
FROM node:20-alpine AS development
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
EXPOSE 3000
CMD ["npm", "run", "dev"]

# Production stage
FROM node:20-alpine AS production
WORKDIR /app
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
EXPOSE 3000
CMD ["node", "dist/main.js"]
# Start all services
docker-compose up -d

# View logs
docker-compose logs -f app

# Stop all services
docker-compose down

# Rebuild containers
docker-compose up --build

# Run command in service
docker-compose exec app sh