update kafka

kafka/README.md

@@ -1,2 +1,24 @@
 kafka
 =====
+
+## How It Works
+
+![](https://github.com/wurstmeister/kafka-docker/wiki/kafka-communication.png)
+
+[read more](https://github.com/wurstmeister/kafka-docker/wiki/Connectivity)
+
+## Up and Running
+
+```bash
+# Broker
+$ docker-compose up -d
+$ docker-compose exec kafka bash
+>>> kafka-topics.sh --create --zookeeper zookeeper:2181 --replication-factor 1 --partitions 2 --topic my-topic
+>>> exit
+
+# Producer
+$ kafkacat -P -b localhost:9092 -t my-topic
+
+# Consumer
+$ kafkacat -C -b localhost:9092 -t my-topic -o end
+```

kafka/docker-compose.yml

@@ -11,12 +11,12 @@ kafka:
   image: wurstmeister/kafka
   ports:
     - "9092:9092"
-  links:
-    - zookeeper
   volumes:
-    - ./kafka:/kafka
+    - ./data/kafka:/kafka
     - /var/run/docker.sock:/var/run/docker.sock
   environment:
     - KAFKA_ADVERTISED_HOST_NAME=10.50.254.182
     - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
+  links:
+    - zookeeper
   restart: always