docker-compose.yml

version: '3.8'

services:
  postgres:
    image: postgres:16-alpine
    container_name: scalable-api-postgres
    environment:
      POSTGRES_DB: apidb_dev
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: dev_password
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - app-network

  redis:
    image: redis:7-alpine
    container_name: scalable-api-redis
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 5
    networks:
      - app-network

  rabbitmq:
    image: rabbitmq:3.13-management-alpine
    container_name: scalable-api-rabbitmq
    environment:
      RABBITMQ_DEFAULT_USER: guest
      RABBITMQ_DEFAULT_PASS: guest
    ports:
      - "5672:5672"    # AMQP
      - "15672:15672"  # Management UI
    healthcheck:
      test: ["CMD", "rabbitmq-diagnostics", "ping"]
      interval: 30s
      timeout: 10s
      retries: 5
    networks:
      - app-network

  zookeeper:
    image: confluentinc/cp-zookeeper:7.6.0
    container_name: scalable-api-zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - "2181:2181"
    networks:
      - app-network

  kafka:
    image: confluentinc/cp-kafka:7.6.0
    container_name: scalable-api-kafka
    depends_on:
      - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
    ports:
      - "9092:9092"
    networks:
      - app-network

volumes:
  postgres_data:

networks:
  app-network:
    driver: bridge