docker-compose.yml

services:
  keycloak:
    build: 
      dockerfile: Dockerfile
      context: ./keycloak
    ports:
      - "8075:8080"
    environment:
      - KC_BOOTSTRAP_ADMIN_USERNAME=admin
      - KC_BOOTSTRAP_ADMIN_PASSWORD=admin
    volumes:
      - ./keycloak/realm-export.json:/opt/keycloak/data/import/realm-export.json

  zookeeper:
    image: confluentinc/cp-zookeeper:7.7.1
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181

  kafka:
    image: confluentinc/cp-kafka:7.7.1
    depends_on:
      - zookeeper
    ports:
      - '9092:9092'
    expose:
      - '29092'
    environment:
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: '1'
      KAFKA_MIN_INSYNC_REPLICAS: '1'

  init-kafka:
    image: confluentinc/cp-kafka:7.7.1
    depends_on:
      - kafka
    entrypoint: [ '/bin/sh', '-c' ]
    command: |
      "
      # blocks until kafka is reachable
      kafka-topics --bootstrap-server kafka:29092 --list

      echo -e 'Creating kafka topics'
      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic topic-quests --replication-factor 1 --partitions 1
      kafka-topics --bootstrap-server kafka:29092 --create --if-not-exists --topic topic-players --replication-factor 1 --partitions 1

      echo -e 'Successfully created the following topics:'
      kafka-topics --bootstrap-server kafka:29092 --list
      "

  schema-registry:
    image: confluentinc/cp-schema-registry:7.7.1
    depends_on:
      - kafka
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL: 'zooKeeper:2181'
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: PLAINTEXT://kafka:29092
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_LISTENERS: http://0.0.0.0:8081

  control-center:
    image: confluentinc/cp-enterprise-control-center:7.7.1
    depends_on:
      - kafka
      - schema-registry
    ports:
      - "9021:9021"
    environment:
      CONTROL_CENTER_BOOTSTRAP_SERVERS: 'PLAINTEXT://kafka:29092'
      CONTROL_CENTER_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      CONTROL_CENTER_SCHEMA_REGISTRY_URL: 'http://schema-registry:8081'
      CONTROL_CENTER_REPLICATION_FACTOR: 1