The app is the multi module spring boot application based on gRPC. The app has two modules namely:

• Server module contains all the service implementation.
• Proto module contains the proto definition files

For building and running the application you need:

• Java 11
• Maven 3 or later
• protoc
• Docker
• Docker compose

To view the API documentation add the API definition in your postman

• https://www.postman.com/blue-space-373658/workspace/shopping-api/collection/642f9d520b475125d27df09d

There are several ways to run this application locally you need

• Maven
• Docker
• Java
• Protoc
• Postman

The steps for running the app are:

• Clone
• Install the app dependencies using maven

mvn install

• Package the app using maven

mvn package

• You can also use build image for this project troy12/app-retail-backend
• The project has docker-compose setup with the application and MYSQL database. To start the app on the local environment run the command

docker-compose up --build

• The app will start on port 9090 add the postman collection, import the api definition and test the app on localhost:9090.
• Change the SERVER_URL to reflect the your set port and host
• Use the use example message button to generate sample message and replace the generate values with relevant values for given fields.
• All the methods in the CartService are limited to authorized users.
• To use them first register the user using the AuthService createUser method.
• Use the register credential to get the token using AuthService authorizeUser method.
• Set the editor environment to Test Environment
• Edit the TOKEN set it to the value returned by authorizeUser method
• The rest of the methods are not authorized were meant for admin are meant to be deployed as internal APIs.

To run the test run the command

mvn test

The projects includes the kubernetes manifests in the k8s folder. It contains:

• The MYSQL setup service, deployment, persistent volume and persistent volume claim manifests
• The Application deployment and services manifests
• The secrets manifest for database password and jwt secrets.

To deploy the app on the kubernetes cluster run the command:

kubectl apply -f k8s