[VOL-1024]  This update consists of:

1) Inter-container kafka library in Go
2) initial set of proto definitions
3) Test cases for the kafka library

Change-Id: Ibe8b0f673a90bbe4cb92847ce40f31ec2d0b6244
diff --git a/compose/docker-compose-zk-kafka-test.yml b/compose/docker-compose-zk-kafka-test.yml
new file mode 100644
index 0000000..2cad1b8
--- /dev/null
+++ b/compose/docker-compose-zk-kafka-test.yml
@@ -0,0 +1,27 @@
+version: '2'
+services:
+  #
+  # Single-node zookeeper service
+  #
+  zookeeper:
+    image: "wurstmeister/zookeeper:latest"
+    ports:
+    - 2181:2181
+    environment:
+      SERVICE_2181_NAME: "zookeeper"
+  #
+  # Single-node kafka service
+  #
+  kafka:
+    image: "wurstmeister/kafka:latest"
+    ports:
+     - 9092:9092
+    environment:
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://10.100.198.220:9092
+      KAFKA_LISTENERS: PLAINTEXT://:9092
+#      KAFKA_ADVERTISED_HOST_NAME: 10.100.198.220
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_AUTO_CREATE_TOPICS_ENABLE: 'true'
+      SERVICE_9092_NAME: "kafka"
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock