Exploring Microservices with Spring Cloud: Containerization, Resilience, and Communication

Welcome to our GitHub repository dedicated to experimenting with microservices architecture using Spring Cloud. This project delves deep into fundamental principles such as service registry, API Gateway, centralized configuration service with a remote repository, as well as resilience implementation and communication between microservices. Additionally, we've tackled the containerization of both services and the Angular frontend using Docker, providing a comprehensive and easily deployable approach for developing and managing our microservices-based applications. Explore our repository to discover our architectural choices, implementations, and best practices in the exciting realm of microservices with Spring Cloud.

📁 File Structure

├── back
│   ├── account-service:8082
│   ├── customer-service:8081
│   ├── config-service:9999
│   ├── discovery-service:8761
│   ├── gateway-service:8888
│   └── config-git-repo
│
└── front

📡SonarQube & Jacoco

By following our concise installation instructions, you'll seamlessly incorporate SonarQube's powerful code quality analysis capabilities alongside JaCoCo's code coverage reporting. Enhance your development workflow and ensure code quality with this simple yet effective integration.

⚙️ Install

• Download the community version of SonarQube here
• Go to your [SonarQube folder path]/bin/[your operating system]/lib folder and run StartSonar.bat
• You can now access SonarQube from http://localhost:9000
• You will be asked to log in using the admin ID and admin password, and then to change your password.
• Generate your security token from myAccount/security

🌱 Spring Boot

• Go to your project's pom.xml file and add the following two plugins:

<plugin>
    <groupId>org.sonarsource.scanner.maven</groupId>
    <artifactId>sonar-maven-plugin</artifactId>
</plugin>

<plugin>
    <groupId>org.jacoco</groupId>
    <artifactId>jacoco-maven-plugin</artifactId>
    <version>0.8.11</version>
    <executions>
        <execution>
            <id>prepare-agent</id>
            <goals>
                <goal>prepare-agent</goal>
            </goals>
        </execution>
        <execution>
            <id>report</id>
            <goals>
                <goal>report</goal>
            </goals>
        </execution>
    </executions>
</plugin>

• Run the following Maven command:

clean org.jacoco:jacoco-maven-plugin:prepare-agent Install

The jacoco folder should appear in your project's target/site folder.

• Run the following maven command:

sonar:sonar -Dsonar.login=[your security token]

🅰️ Angular

• Install Karma & Jasmine:

npm install karma --save-dev
npm install karma-jasmine --save-dev

• Create Karma conf file:

node_modules\.bin\karma init

• Install Karma-SonarQube:

npm install -D karma-sonarqube-reporter --save-dev

• Run the following command and check for the presence of the file reports/sonarqube_report.xml:

ng test --code-coverage --watch=false

• Install sonar-scanner:

npm install -D sonarqube-scanner --save-dev

• Add your sonar token to the file sonar-project.properties
• Run the Sonar command:

npm run sonar

Deployment

🅰️ Angular

To buil this Angular project run:

ng build

🌱 Spring Boot

• For each service to be deployed, you'll need to create a .jar file. To do this, run the following Maven command:

clean package -DskipTests

• Run the services by executing the following Docker command:

docker compose up -d --build