docker-compose.yaml

#
# This docker-compose file starts and runs:
# * A 3-node kafka cluster
# * A 1-zookeeper ensemble
# * Schema Registry
# * Kafka REST Proxy
# * Kafka Connect
#

version: "3.7"

services:
  akhq:
    image: tchiotludo/akhq
    environment:
      AKHQ_CONFIGURATION: |
        akhq:
          connections:
            docker-kafka-server:
              properties:
                bootstrap.servers: "kafka0:19092"
              schema-registry:
                url: "http://schema-registry:8086"
              connect:
                - name: "connect"
                  url: "http://connect:8083"
    ports:
      - 8080:8080
    depends_on:
      - "kafka0"
      - "schema-registry"

  zookeeper:
    image: confluentinc/cp-zookeeper:5.2.2
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: "2181"
    restart: always

  kafka0:
    image: confluentinc/cp-kafka:5.2.2
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 0
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_ADVERTISED_LISTENERS: "INTERNAL://kafka0:19092,EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9092"
      KAFKA_INTER_BROKER_LISTENER_NAME: "INTERNAL"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: "1"
    depends_on:
      - "zookeeper"
    restart: always

  schema-registry:
    image: confluentinc/cp-schema-registry:5.2.2
    ports:
      - "8081:8081"
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      SCHEMA_REGISTRY_LISTENERS: "http://0.0.0.0:8081"
      SCHEMA_REGISTRY_HOST_NAME: "schema-registry"
      SCHEMA_REGISTRY_KAFKASTORE_TOPIC_REPLICATION_FACTOR: "1"
    depends_on:
      - "kafka0"
    restart: always

  rest-proxy:
    image: confluentinc/cp-kafka-rest:5.2.2
    ports:
      - "8082:8082"
    environment:
      KAFKA_REST_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      KAFKA_REST_LISTENERS: "http://0.0.0.0:8082/"
      KAFKA_REST_HOST_NAME: "rest-proxy"
      KAFKA_REST_SCHEMA_REGISTRY_URL: "http://schema-registry:8081/"
    depends_on:
      - "kafka0"
      - "schema-registry"
    restart: always

  connect:
    image: confluentinc/cp-kafka-connect:5.2.2
    ports:
      - "8083:8083"
    environment:
      CONNECT_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      CONNECT_GROUP_ID: "connect"
      CONNECT_REST_ADVERTISED_HOST_NAME: "connect"
      CONNECT_PLUGIN_PATH: "/usr/share/java"
      CONNECT_INTERNAL_KEY_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
      CONNECT_INTERNAL_VALUE_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
      CONNECT_KEY_CONVERTER: "io.confluent.connect.avro.AvroConverter"
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      CONNECT_VALUE_CONVERTER: "io.confluent.connect.avro.AvroConverter"
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      CONNECT_CONFIG_STORAGE_TOPIC: "connect-config"
      CONNECT_OFFSET_STORAGE_TOPIC: "connect-offset"
      CONNECT_STATUS_STORAGE_TOPIC: "connect-status"
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: "1"
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: "1"
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: "1"
    depends_on:
      - "kafka0"
      - "schema-registry"
    restart: always

  ksql:
    image: confluentinc/cp-ksql-server:5.2.2
    ports:
      - "8088:8088"
    environment:
      KSQL_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      KSQL_LISTENERS: "http://0.0.0.0:8088"
      KSQL_KSQL_SERVICE_ID: "ksql_service_docker"
      KSQL_KSQL_SCHEMA_REGISTRY_URL: "http://schema-registry:8081/"
    depends_on:
      - "kafka0"
      - "schema-registry"
    restart: always

  connect-ui:
    image: landoop/kafka-connect-ui:0.9.7
    ports:
      - "8084:8084"
    environment:
      PORT: "8084"
      PROXY: "true"
      CONNECT_URL: "http://connect:8083"
    depends_on:
      - "connect"
    restart: always

  topics-ui:
    image: landoop/kafka-topics-ui:0.9.4
    ports:
      - "8085:8085"
    environment:
      PORT: "8085"
      PROXY: "true"
      KAFKA_REST_PROXY_URL: "http://rest-proxy:8082"
    depends_on:
      - "rest-proxy"
    restart: always

  schema-registry-ui:
    image: landoop/schema-registry-ui:0.9.5
    ports:
      - "8086:8086"
    environment:
      PORT: "8086"
      PROXY: "true"
      SCHEMAREGISTRY_URL: "http://schema-registry:8081/"
    depends_on:
      - "schema-registry"
    restart: always

  postgres:
    image: postgres:11
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: "cta_admin"
      POSTGRES_PASSWORD: "chicago"
      POSTGRES_DB: "cta"
    volumes:
      - ./producers/data/cta_stations.csv:/tmp/cta_stations.csv
      - ./load_stations.sql:/docker-entrypoint-initdb.d/load_stations.sql
    restart: always