- Using temporary volumes in docker-compose.yaml so that Kafka starts…

… with zero messages from previous run

- Updating README to use particular Docker image version of Specmatic Kafka
- Removing unused test container code

README.md

@@ -3,7 +3,9 @@
 * [Specmatic Website](https://specmatic.io)
 * [Specmatic Documenation](https://specmatic.io/documentation.html)
 
-This sample project demonstrates how we can run contract tests against a service which interacts with a kafka broker. 
+This sample project demonstrates how we can run contract tests against a service which interacts with a kafka broker.
+
+**NOTE**: This project uses **AsyncAPI 2.6** specification. For equivalent sample project that uses **AsyncAPI 3.0** spec please refer to **[specmatic-kafka-sample-asyncapi3](https://github.com/znsio/specmatic-kafka-sample-asyncapi3)**.
 
 ## Background
 This project includes a consumer that listens to messages on a specific topic.
@@ -22,13 +24,9 @@ Upon receiving a message, the consumer processes it and publishes a new message
 ./gradlew clean test
 ```
 
-## Run the contract tests using specmatic-kafka docker image 
+## Run the contract tests using specmatic-kafka docker image
 
-1. Start the kafka broker using Specmatic's Kafka Mock. [Note - You can use any kafka broker other than this too.]
-    ```shell
-    docker run -p 9092:9092 -p 2181:2181 -p 29092:29092 -v "$PWD/specmatic.yaml:/usr/src/app/specmatic.yaml" znsio/specmatic-kafka-trial virtualize
-    ```
-   Alternatively if you want to use a standard Kafka Docker image you can run below command.
+1. Start the kafka broker using below command.
    ```shell
    docker compose up
    ```
@@ -38,7 +36,7 @@ Upon receiving a message, the consumer processes it and publishes a new message
    ```
 3. Run the contract tests.
    ```shell
-   docker run --network="host" -v "$PWD/specmatic.yaml:/usr/src/app/specmatic.yaml" -v "$PWD/src/test/resources:/usr/src/app/examples" znsio/specmatic-kafka-trial test --examples=examples
+   docker run --network host -v "$PWD/specmatic.yaml:/usr/src/app/specmatic.yaml" -v "$PWD/src/test/resources:/usr/src/app/examples" -v "$PWD/build/reports:/usr/src/app/build/reports" znsio/specmatic-kafka-trial:0.22.13 test --examples=examples
    ```
 
 ## Get information around other CLI args exposed by specmatic-kafka docker image

docker-compose.yaml

@@ -9,6 +9,8 @@ services:
     environment:
       ZOOKEEPER_CLIENT_PORT: 2181
       ZOOKEEPER_TICK_TIME: 2000
+    volumes:
+      - /var/lib/zookeeper
 
   kafka:
     image: confluentinc/cp-kafka:latest
@@ -22,4 +24,6 @@ services:
       KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:9092
       KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
     depends_on:
-      - zookeeper
+      - zookeeper
+    volumes:
+      - /var/lib/kafka/data