Devtiro Spring Boot Kafka Tutorial

YouTube Video

Check out the tutorial's video on YouTube:

Run the App

From the Command Line

docker-compose up -d
./mvnw spring-boot:run

Tags

Tags have been used to snapshot the project at certain points in time.

To checkout a branch run the following:

git checkout ${TAG_NAME}

Here are the available tags:

Branch name	Description
tutorial	The unplished end-result of the tutorial.

Kafka Command Line

Here are the commands used to interact with Kafka in the tutorial:

Create a Topic

docker exec broker \
kafka-topics --bootstrap-server broker:9092 \
             --create \
             --topic "customer.visit"

Command Line Consumer

docker exec --interactive --tty broker \
kafka-console-consumer --bootstrap-server broker:9092 \
                       --topic "customer.visit" \
                       --from-beginning

Command Line Producer

docker exec --interactive --tty broker \
   kafka-console-producer --bootstrap-server broker:9092 \
                          --topic "customer.visit"

Jackson Dependencies

In order to use Jackson and the module for Java8 DateTimes, use the following dependencies:

<dependency>
  <groupId>com.fasterxml.jackson.core</groupId>
  <artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
  <groupId>com.fasterxml.jackson.datatype</groupId>
  <artifactId>jackson-datatype-jsr310</artifactId>
</dependency>