Docker compose environment to start Confluent REST Proxy and produce some message using JSON

README.md

Docker compose environment with Confluent REST Proxy and Control Center

• Control center on http://localhost:9021
• REST proxy listening on localhost:8082

Usage

docker compose up -d 
# please be patient...
curl -X POST -d @sample_payload.json -H "Content-Type: application/vnd.kafka.json.v2+json" http://localhost:8082/topics/test

In Control Center UI, navigate to 'controlcenter.cluster' -> 'Topics' -> 'test' -> 'Messages' and enter 0 and choose partition 0 in the offsets field

docker-compose.yml

---
version: '2'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.0
    hostname: zookeeper
    container_name: zookeeper
    ports:
      - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  broker:
    image: confluentinc/cp-server:7.4.0
    hostname: broker
    container_name: broker
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
      - "9101:9101"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://broker:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0
      KAFKA_CONFLUENT_LICENSE_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_CONFLUENT_BALANCER_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1
      CONFLUENT_SUPPORT_CUSTOMER_ID: 'anonymous'

  control-center:
    image: confluentinc/cp-enterprise-control-center:7.4.0
    hostname: control-center
    container_name: control-center
    depends_on:
      - broker
    ports:
      - "9021:9021"
    environment:
      CONTROL_CENTER_BOOTSTRAP_SERVERS: 'broker:29092'
      CONTROL_CENTER_REPLICATION_FACTOR: 1
      CONTROL_CENTER_INTERNAL_TOPICS_PARTITIONS: 1
      CONTROL_CENTER_MONITORING_INTERCEPTOR_TOPIC_PARTITIONS: 1
      CONFLUENT_METRICS_TOPIC_REPLICATION: 1
      CONTROL_CENTER_MODE_ENABLE: management
      PORT: 9021


  rest-proxy:
    image: confluentinc/cp-kafka-rest:7.4.0
    depends_on:
      - broker
    ports:
      - 8082:8082
    hostname: rest-proxy
    container_name: rest-proxy
    environment:
      KAFKA_REST_HOST_NAME: rest-proxy
      KAFKA_REST_BOOTSTRAP_SERVERS: 'broker:29092'
      KAFKA_REST_LISTENERS: "http://0.0.0.0:8082"

sample_data.json

{
  "records": [
    {
      "key": "test-key",
      "value": "test-value-with-key"
    },
    {
      "value": "test-value-without-key"
    },
    {
      "value": {"name": "Fred", "id": 17}
    }
  ]
}