init subscription demo

Co-authored-by: kenichsberg <kn1017356@gmail.com>

subscriptions/README.md

@@ -0,0 +1,26 @@
+# [WIP] Dynamic SubscriptionTopic with destinations
+
+It is a demo of Aidbox SubscriptionTopic with Kafka.
+
+## Prerequisites
+
+- [Docker](https://www.docker.com/)
+
+## STEP 1: Run Kafka and Kafka UI
+
+```shell
+docker compose up
+```
+
+## STEP 2: Open Kafka UI  
+
+Kafka UI available on `http://localhost:8080/`
+
+## STEP 3: Create Kafka Topic 
+
+Go `Topics` -> `Add a Topic` -> fill in the form -> `Create Topic`
+
+## STEP 4: Trigger Aidbox Subscription
+
+## Step 5: See messages
+

subscriptions/docker-compose.yaml

@@ -0,0 +1,38 @@
+version: '3.8'
+
+services:
+  zookeeper:
+    image: confluentinc/cp-zookeeper:latest
+    container_name: zookeeper
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+    ports:
+      - "2181:2181"
+
+  kafka:
+    image: confluentinc/cp-kafka:latest
+    container_name: kafka
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: 'CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT'
+      KAFKA_ADVERTISED_LISTENERS: 'PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092'
+      KAFKA_LISTENERS: 'PLAINTEXT://kafka:29092,CONTROLLER://kafka:29093,PLAINTEXT_HOST://0.0.0.0:9092'
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
+    ports:
+      - "9092:9092"
+    depends_on:
+      - zookeeper
+
+  kafka-ui:
+    container_name: kafka-ui
+    image: provectuslabs/kafka-ui:latest
+    ports:
+      - 8080:8080
+    depends_on:
+      - kafka
+    environment:
+      KAFKA_CLUSTERS_0_NAME: local
+      KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS: kafka:29092
+      DYNAMIC_CONFIG_ENABLED: 'true'

subscriptions/kafka-ui-config.yml

@@ -0,0 +1,13 @@
+kafka:
+  clusters:
+    -
+      name: local
+      bootstrapServers: localhost:9092
+      # schemaRegistry: http://localhost:8085
+      # schemaRegistryAuth:
+      #   username: username
+      #   password: password
+#     schemaNameTemplate: "%s-value"
+      # metrics:
+      #   port: 9997
+      #   type: JMX