kafka-producer-consumer

docker-compose.yml

# create topic
# docker exec -it kafka bash -c "kafka-topics.sh --create --topic hello-topic --bootstrap-server localhost:9092 --partitions 1 --replication-factor 1"

# create consumer (with group, blocks on stdout)
# docker exec -it kafka bash -c "kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic hello-topic --group hello-group --from-beginning"

# create producer (one message via stdin)
# docker exec -it kafka bash -c "echo "test" | kafka-console-producer.sh --bootstrap-server localhost:9092 --topic hello-topic"

services:
  kafka:
    image: bitnami/kafka:latest
    container_name: kafka
    environment:
      - KAFKA_CFG_NODE_ID=1
      - KAFKA_CFG_PROCESS_ROLES=controller,broker
      - KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093
      - KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://kafka:9092
      - KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
      - KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=1@kafka:9093
      - KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
      - KAFKA_CFG_INTER_BROKER_LISTENER_NAME=PLAINTEXT
      - ALLOW_PLAINTEXT_LISTENER=yes
    ports:
      - "9092:9092"

  kafdrop:
    image: obsidiandynamics/kafdrop:latest
    container_name: kafdrop
    environment:
      - KAFKA_BROKERCONNECT=kafka:9092
      - JVM_OPTS=-Xms32M -Xmx64M
    ports:
      - "9000:9000"
    depends_on:
      - kafka