docker-compose.yml

version: '2'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:6.0.0
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka:
    image: confluentinc/cp-kafka:6.0.0
    hostname: kafka
    depends_on:
      - zookeeper
    ports:
      - "29092:29092"
    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:9092,PLAINTEXT_HOST://localhost:29092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_LOG_RETENTION_MS: -1
      KAFKA_LOG_RETENTION_BYTES: -1

  schema-registry:
    image: confluentinc/cp-schema-registry:6.0.0
    depends_on:
      - kafka
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: 'kafka:9092'

  ksqldb-server:
    image: confluentinc/ksqldb-server:0.15.0
    depends_on:
      - kafka
      - schema-registry
    environment:
      KSQL_CONFIG_DIR: "/etc/ksqldb"
      KSQL_LOG4J_OPTS: "-Dlog4j.configuration=file:/etc/ksqldb/log4j.properties"
      KSQL_BOOTSTRAP_SERVERS: "kafka:9092"
      KSQL_HOST_NAME: ksqldb-server
      KSQL_CACHE_MAX_BYTES_BUFFERING: 0
      KSQL_KSQL_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      KSQL_KSQL_QUERIES_FILE: "/opt/app/queries.sql"
    volumes:
      - ./queries.sql:/opt/app/queries.sql
    restart: unless-stopped

  postgres:
    image: postgres:13
    environment:
      POSTGRES_DB: postgres
      POSTGRES_USER: admin
      POSTGRES_PASSWORD: s3cr3t
    ports:
      - "5432:5432"

  event-sourcing-app:
    image: example.com/ksqldb-event-sourcing:1.0.0
    depends_on:
      - kafka
      - ksqldb-server
      - postgres
    ports:
      - "8080"
    environment:
      SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/postgres
      SPRING_DATASOURCE_USERNAME: admin
      SPRING_DATASOURCE_PASSWORD: s3cr3t
      SPRING_KAFKA_BOOTSTRAPSERVERS: "kafka:9092"
      LOGGING_LEVEL_COM_EXAMPLE_EVENTSOURCING: DEBUG
    restart: unless-stopped

  nginx:
    image: nginx:latest
    depends_on:
      - event-sourcing-app
    ports:
      - "8080:8080"
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro