services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.6.0
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports: ["2181:2181"]

  kafka:
    image: confluentinc/cp-kafka:7.6.0
    depends_on: [zookeeper]
    ports: ["9092:9092", "9101:9101"]
    healthcheck:
      test: ["CMD", "kafka-broker-api-versions", "--bootstrap-server", "localhost:9092"]
      interval: 10s
      timeout: 10s
      retries: 12
      start_period: 30s
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
      KAFKA_JMX_PORT: 9101
      KAFKA_JMX_HOSTNAME: localhost

  postgres:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: eventflow
      POSTGRES_PASSWORD: eventflow
      POSTGRES_DB: eventflow
    ports: ["5432:5432"]
    volumes:
      - pgdata:/var/lib/postgresql/data
      - ../migrations/001_initial_schema.sql:/docker-entrypoint-initdb.d/001_schema.sql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U eventflow -d eventflow"]
      interval: 5s
      timeout: 5s
      retries: 12
      start_period: 10s

  redis:
    image: redis:7-alpine
    ports: ["6379:6379"]
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 5

  api-gateway:
    build:
      context: ..
      dockerfile: docker/Dockerfile.api-gateway
    ports: ["8080:8080", "9090:9090"]
    environment:
      DATABASE_URL: postgres://eventflow:eventflow@postgres:5432/eventflow?sslmode=disable
      REDIS_URL: redis://redis:6379/0
      KAFKA_BROKERS: kafka:29092
      HTTP_PORT: 8080
      GRPC_PORT: 9090
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
      kafka:
        condition: service_healthy
    restart: on-failure

  workflow-engine:
    build:
      context: ..
      dockerfile: docker/Dockerfile.workflow-engine
    ports: ["8081:8081"]
    environment:
      DATABASE_URL: postgres://eventflow:eventflow@postgres:5432/eventflow?sslmode=disable
      REDIS_URL: redis://redis:6379/0
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    restart: on-failure

  consumer-worker:
    build:
      context: ..
      dockerfile: docker/Dockerfile.consumer-worker
    ports: ["8082:8082"]
    environment:
      DATABASE_URL: postgres://eventflow:eventflow@postgres:5432/eventflow?sslmode=disable
      KAFKA_BROKERS: kafka:29092
      CONSUMER_GROUP: eventflow-workers
      CONSUMER_TOPIC: orders
    depends_on:
      postgres:
        condition: service_healthy
      kafka:
        condition: service_healthy
    restart: on-failure
    deploy:
      replicas: 2

  prometheus:
    image: prom/prometheus:v2.51.0
    ports: ["9091:9090"]
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
      - ../deployments/monitoring/grafana/dashboards:/etc/prometheus/dashboards:ro

  grafana:
    image: grafana/grafana:10.4.0
    ports: ["3000:3000"]
    environment:
      GF_SECURITY_ADMIN_PASSWORD: admin
      GF_USERS_ALLOW_SIGN_UP: "false"
    volumes:
      - ../deployments/monitoring/grafana/provisioning:/etc/grafana/provisioning
      - ../deployments/monitoring/grafana/dashboards:/var/lib/grafana/dashboards

volumes:
  pgdata: