Service ergänzt, der das Dead-Letter-Topic ausliest

[demos/kafka/training] / docker-compose.yml

diff --git a/docker-compose.yml b/docker-compose.yml
index 16fec5b..9850ce3 100644 (file)
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -85,10 +85,13 @@ services:
       bash -c "
         kafka-topics --bootstrap-server kafka:9092 --delete --if-exists --topic in
         kafka-topics --bootstrap-server kafka:9092 --delete --if-exists --topic out
+        kafka-topics --bootstrap-server kafka:9092 --delete --if-exists --topic out.DLT
         kafka-topics --bootstrap-server kafka:9092 --create --topic in --partitions 2 --replication-factor 3 --config min.insync.replicas=2
         kafka-topics --bootstrap-server kafka:9092 --create --topic out --partitions 2 --replication-factor 3 --config min.insync.replicas=2  
+        kafka-topics --bootstrap-server kafka:9092 --create --topic out.DLT --partitions 2 --replication-factor 3 --config min.insync.replicas=2  
         kafka-topics --bootstrap-server kafka:9092 --describe --topic in
         kafka-topics --bootstrap-server kafka:9092 --describe --topic out
+        kafka-topics --bootstrap-server kafka:9092 --describe --topic out.DLT
       "
 
   cli:
@@ -130,6 +133,7 @@ services:
     environment:
       server.port: 8080
       spring.kafka.bootstrap-servers: kafka:9092
+      spring.kafka.producer.bootstrap-servers: kafka:9092
       spring.kafak.client-id: adder-1
       spring.kafka.auto-commit-interval: 1s
       sumup.adder.throttle: 3ms
@@ -144,6 +148,7 @@ services:
     environment:
       server.port: 8080
       spring.kafka.bootstrap-servers: kafka:9092
+      spring.kafka.producer.bootstrap-servers: kafka:9092
       spring.kafak.client-id: adder-2
       spring.kafka.auto-commit-interval: 1s
       sumup.adder.throttle: 3ms
@@ -171,3 +176,8 @@ services:
         sleep 1;
       done
       "
+
+  dlt:
+    image: juplo/toolbox
+    tty: true
+    command: kafkacat -C -b kafka:9092 -t out.DLT -f'p=%p|o=%o|%k=%s\n' -o 0 -q