Merge des Upgrades der Confluent-Images auf 7.0.2

diff --combined docker-compose.yml
index 10ad3a0,d38ebec..d85269a
--- 1/docker-compose.yml
--- 2/docker-compose.yml
+++ b/docker-compose.yml
@@@ -1,14 -1,14 +1,14 @@@
  version: '3.2'
  services:
    zookeeper:
-     image: confluentinc/cp-zookeeper:6.2.0
+     image: confluentinc/cp-zookeeper:7.0.2
      environment:
        ZOOKEEPER_CLIENT_PORT: 2181
      ports:
        - 2181:2181
  
    kafka:
-     image: confluentinc/cp-kafka:6.2.0
+     image: confluentinc/cp-kafka:7.0.2
      environment:
        KAFKA_BROKER_ID: 1
        KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
@@@ -35,13 -35,3 +35,13 @@@
    cli:
      image: juplo/toolbox
      command: sleep infinity
 +
 +  producer:
 +    image: juplo/endless-producer:1.0-SNAPSHOT
 +    ports:
 +      - 8080:8080
 +    environment:
 +      producer.bootstrap-server: kafka:9092
 +      producer.client-id: producer
 +      producer.topic: test
 +      producer.throttle-ms: 200