docker-compose.yaml

services:
  db:
    image: postgres
    restart: always
    environment:
      POSTGRES_PASSWORD: example
    ports:
      - "5432:5432"
    environment:
      POSTGRES_DB: msg_db
    volumes:
      - pgdata:/var/lib/postgresql/data
    healthcheck:
      test: pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB
    
  kafka:
    image: docker.io/bitnami/kafka:4.0
    ports:
      - "9092:9092"
    volumes:
      - "kafka_data:/bitnami"
    environment:
      # KRaft settings
      - KAFKA_CFG_NODE_ID=0
      - KAFKA_CFG_PROCESS_ROLES=controller,broker
      - KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=0@kafka:9093
      # Listeners
      - KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093
      - KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://localhost:9092
      - KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
      - KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
      - KAFKA_CFG_INTER_BROKER_LISTENER_NAME=PLAINTEXT
 
volumes:
  kafka_data:
    driver: local
  pgdata: