feat(templates): add kafka template

Author: Enda Phelan

packages/create-graphback/src/init/starterTemplates.ts

@@ -103,8 +103,8 @@ export const allTemplates: Template[] = [
     }]
   },
   {
-    name: 'apollo-mongo-apache-kafka-server-ts',
-    description: 'Apollo GraphQL server connecting to MongoDB database with Apache Kafka for subscriptions',
+    name: '[PREVIEW] apollo-mongo-apache-kafka-server-ts',
+    description: 'Apollo GraphQL server connecting to MongoDB database with Apache Kafka for subscriptions. This is a preview template - we are continuing to enhance it - we welcome your feedback.',
     repos: [{
       uri: 'https://github.com/aerogear/graphback',
       branch: 'templates-1.0.0',

templates/ts-apollo-mongo-apache-kafka-backend/README.md

@@ -1,23 +1,17 @@
 ## Graphback MongoDB + Apollo Server with Apache Kafka Template
 
-A template that provides you with an easy setup for your application's backend using MongoDB and Apollo server with TypeScript, and Apache Kafka for GraphQL subscriptions.
+> NOTE: This is a preview template - we are continuing to enhance it - we welcome your feedback.
+
+A template that provides you with an easy setup for your application's backend using MongoDB and Apollo server with TypeScript, and Apache Kafka for GraphQL Subscriptions.
 
 ### Quickstart Guide
 
 The project has been created using Graphback. Run the project using the following steps:
 
-- Start the database
-
-```shell
-HOST_IP=your-host-ip-address && docker-compose up -d
-```
-
-> HOST_IP is the ipv4 address of your machine.
-
-You can use the helper script to set `HOST_IP`:
+- Start the database, Apache Kafka and Zookeeper
 
 ```shell
-./set-host-ip.sh && docker-compose up -d
+docker-compose up -d
 ```
 
 - Inspect your schema in the `model/datamodel.graphql` file.

templates/ts-apollo-mongo-apache-kafka-backend/docker-compose.yml

@@ -14,7 +14,7 @@ services:
       - zookeeper
     environment:
       KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
-      KAFKA_ADVERTISED_HOST_NAME: ${HOST_IP}
+      KAFKA_ADVERTISED_HOST_NAME: 127.0.0.1
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock