update readme

README.md

@@ -4,5 +4,51 @@
 
 [Moleculer](https://github.com/moleculerjs/moleculer) service for persistent event queue with Kafka
 
+## Installation
+```
+$ npm install imicros-events --save
+```
+## Dependencies
+Requires a running [Kafka](https://kafka.apache.org/) broker - [docker example](#docker).
 
+# Usage
 
+
+
+# Docker
+## Kafka/Zookeeper example
+```
+version: '2'
+services:
+  zookeeper:
+    image: wurstmeister/zookeeper
+    container_name: zookeeper
+    ports:
+      - "2181:2181"
+    networks:
+      - kafka
+  kafka:
+    image: wurstmeister/kafka
+    container_name: kafka
+    ports:
+      - "9092:9092"
+    links:
+        - zookeeper
+    environment:
+    #  KAFKA_ADVERTISED_HOST_NAME: ${HOST_IP}
+      KAFKA_ADVERTISED_HOST_NAME: 192.168.2.124
+    #  KAFKA_ADVERTISED_HOST_NAME: ${DOCKER_KAFKA_HOST}
+      KAFKA_ADVERTISED_PORT: 9092
+    #  KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://${HOST_IP}:${DOCKER_KAFKA_PORT}
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://192.168.2.124:9092
+      KAFKA_CREATE_TOPICS: "events:1:1"
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_AUTO_CREATE_TOPICS_ENABLE: 'true'
+    volumes:
+        - /var/run/docker.sock:/var/run/docker.sock
+    networks:
+      - kafka
+networks:
+    kafka:
+        external: true
+```