Kafka REST proxy with Docker compose. Everything required to get Confluent REST proxy docker images working so you can post messages to consumers with curl etc

docker-compose.yaml

---
version: '3.5'
networks:
  default:
    name: kafka-net

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:4.1.1
    hostname: zookeeper
    ports: 
    - "32181:32181"
    environment:
      ZOOKEEPER_CLIENT_PORT: 32181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_SYNC_LIMIT: 2

  kafka:
    image: confluentinc/cp-kafka:4.1.1
    hostname: kafka
    ports: 
    - "29092:29092"
    depends_on:
    - zookeeper
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:32181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  schema-registry:
    image: confluentinc/cp-schema-registry:4.1.1
    hostname: schema-registry
    ports:
    - "38081:38081"
    depends_on:
    - kafka
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_CONNECTION_URL: zookeeper:32181
      SCHEMA_REGISTRY_HOST_NAME: schema-registry
      SCHEMA_REGISTRY_LISTENERS: http://schema-registry:38081
      SCHEMA_REGISTRY_DEBUG: "true"

  kafka-rest:
    image: confluentinc/cp-kafka-rest:4.1.1
    hostname: kafka-rest
    ports:
    - "38082:38082"
    depends_on:
      - schema-registry
    environment:
      KAFKA_REST_ZOOKEEPER_CONNECT: zookeeper:32181
      KAFKA_REST_SCHEMA_REGISTRY_URL: schema-registry:38081
      KAFKA_REST_HOST_NAME: kafka-rest
      KAFKA_REST_LISTENERS: http://kafka-rest:38082

Kafka REST Proxy

Run this file with docker-compose i.e. docker-compose -f docker-compose.yaml

Get a list of topics

curl http://localhost:38082/topics

Full docs here: https://docs.confluent.io/current/kafka-rest/docs/intro.html#quickstart

Can't start with my config:

    kafka-rest-1:
    image: confluentinc/cp-kafka-rest:6.2.1
    hostname: kafka-rest-1
    container_name: kafka-rest-1
    depends_on:
      - zookeeper-1
      - broker-1
    ports:
      - "8082:8082"
    environment:
      KAFKA_REST_HOST_NAME: kafka-rest-1
      KAFKA_REST_LISTENERS: http://0.0.0.0:8082
      KAFKA_REST_ZOOKEEPER_CONNECT: 192.168.100.14:2181
      KAFKA_REST_BOOTSTRAP_SERVERS: 192.168.100:14:9092
    networks:
      - mynet

in logs it displays:

root@lab:/home/pvadmin/Kafka-Docker# docker-compose up kafka-rest-1
zookeeper-1 is up-to-date
broker-1 is up-to-date
Recreating kafka-rest-1 ... done
Attaching to kafka-rest-1
kafka-rest-1    | ===> User
kafka-rest-1    | uid=1000(appuser) gid=1000(appuser) groups=1000(appuser)
kafka-rest-1    | ===> Configuring ...
kafka-rest-1    | ===> Running preflight checks ...
kafka-rest-1    | ===> Check if Zookeeper is healthy ...
kafka-rest-1    | SLF4J: Class path contains multiple SLF4J bindings.
kafka-rest-1    | SLF4J: Found binding in [jar:file:/usr/share/java/cp-base-new/slf4j-log4j12-1.7.30.jar!/org/slf4j/impl/StaticLoggerBinder.class]
kafka-rest-1    | SLF4J: Found binding in [jar:file:/usr/share/java/cp-base-new/slf4j-simple-1.7.30.jar!/org/slf4j/impl/StaticLoggerBinder.class]
kafka-rest-1    | SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
kafka-rest-1    | SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
kafka-rest-1    | log4j:WARN No appenders could be found for logger (io.confluent.admin.utils.cli.ZookeeperReadyCommand).
kafka-rest-1    | log4j:WARN Please initialize the log4j system properly.
kafka-rest-1    | log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
kafka-rest-1    | ===> Check if Kafka is healthy ...
kafka-rest-1    | SLF4J: Class path contains multiple SLF4J bindings.
kafka-rest-1    | SLF4J: Found binding in [jar:file:/usr/share/java/cp-base-new/slf4j-log4j12-1.7.30.jar!/org/slf4j/impl/StaticLoggerBinder.class]
kafka-rest-1    | SLF4J: Found binding in [jar:file:/usr/share/java/cp-base-new/slf4j-simple-1.7.30.jar!/org/slf4j/impl/StaticLoggerBinder.class]
kafka-rest-1    | SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
kafka-rest-1    | SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
kafka-rest-1    | log4j:WARN No appenders could be found for logger (io.confluent.admin.utils.cli.KafkaReadyCommand).
kafka-rest-1    | log4j:WARN Please initialize the log4j system properly.
kafka-rest-1    | log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
kafka-rest-1 exited with code 1