version: '3.9'

services:
  broker:
    image: docker.io/bitnami/kafka:latest
    ports:
      - "9092:9092"
      - "9094:9094"
    environment:
      - KAFKA_ENABLE_KRAFT=yes
      - KAFKA_CFG_PROCESS_ROLES=broker,controller
      - KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
      - KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093,EXTERNAL://:9094
      - KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT,EXTERNAL:PLAINTEXT
      - KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://docker-broker-1:9092,EXTERNAL://kafka_b:9094
      - KAFKA_BROKER_ID=1
      - KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=1@docker-broker-1:9093
      - ALLOW_PLAINTEXT_LISTENER=yes
      - KAFKA_CFG_NODE_ID=1
      - KAFKA_AUTO_CREATE_TOPICS_ENABLE=true
      - BITNAMI_DEBUG=yes
      - KAFKA_CFG_NUM_PARTITIONS=2
    healthcheck:
      test: ["CMD-SHELL", "kafka-topics.sh --bootstrap-server localhost:9092 --list"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 5s
    networks:
      - cgw_network

  postgresql:
    image: "postgres:latest"
    ports:
      - "5432:5432"
    user: postgres
    command:
      - "postgres"
      - "-c"
      - "max_connections=400"
      - "-c"
      - "shared_buffers=20MB"
    env_file:
      - postgresql.env
    restart: always
    volumes:
      - ./postgresql/init-db.sh:/docker-entrypoint-initdb.d/init-db.sh
    networks:
      - cgw_network

  redis:
    image: 'bitnami/redis:latest'
    ports:
      - "6379:6379"
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
    networks:
      - cgw_network
  init-broker-container:
    image: docker.io/bitnami/kafka:latest
    depends_on:
      - broker
    entrypoint: [ '/bin/sh', '-c' ]
    command: |
      "
      # rather than giving sleep 15 use this
      # to block init container to wait for Kafka broker to be ready
      kafka-topics --bootstrap-server broker:9092 --list

      # create CnC and CnC_Res topics
      kafka-topics.sh --create --partitions 2 --bootstrap-server broker:9092 --topic CnC
      kafka-topics.sh --create --bootstrap-server broker:9092 --partitions 2 --topic CnC_Res
      "
    networks:
      - cgw_network

networks:
  cgw_network: