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CI/CD Pipeline for Java and Node.js Applications 🚀
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Welcome to the CI/CD Pipeline Project, a modern, automated solution for building, testing, and deploying Java and Node.js applications using Jenkins. This project demonstrates a seamless, fully integrated pipeline that ensures both applications are consistently deployed with top-notch code quality checks, automated testing, and efficient management.
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# CI/CD Pipeline for Java and Node.js Applications 🚀
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🎯 Project Overview
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This repository consists of two Jenkins pipelines, each handling different parts of the project:
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Welcome to the **CI/CD Pipeline Project**, a modern, automated solution for building, testing, and deploying **Java** and **Node.js** applications using **Jenkins**. This project demonstrates a seamless, fully integrated pipeline that ensures both applications are consistently deployed with top-notch code quality checks, automated testing, and efficient management.
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1️⃣ Pipeline 1 - Java Application (Maven-based)
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Automated Build & Test: Compiles Java code and runs unit tests.
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---
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Code Quality Analysis: Runs SonarQube to ensure high-quality code.
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## 🎯 **Project Overview**
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Artifact Deployment: Deploys to Nexus for artifact storage.
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This repository consists of **two Jenkins pipelines**, each handling different parts of the project:
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Application Deployment: Deploys the Java application to Tomcat.
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### 1️⃣ **Pipeline 1 - Java Application** (Maven-based)
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- **Automated Build & Test**: Compiles Java code and runs unit tests.
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- **Code Quality Analysis**: Runs **SonarQube** to ensure high-quality code.
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- **Artifact Deployment**: Deploys to **Nexus** for artifact storage.
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- **Application Deployment**: Deploys the Java application to **Tomcat**.
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- **Triggers Pipeline 2**: On success, automatically triggers **Pipeline 2** (Node.js).
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Triggers Pipeline 2: On success, automatically triggers Pipeline 2 (Node.js).
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### 2️⃣ **Pipeline 2 - Node.js Application** (npm-based)
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- **Automated Checkout**: Pulls the Node.js application from GitHub.
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- **Dependency Management**: Installs all required dependencies using **npm**.
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- **Unit & Jest Tests**: Runs tests to ensure application integrity.
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- **Code Quality Analysis**: Performs **SonarQube** code analysis.
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- **Application Deployment**: Deploys the Node.js application using **PM2**.
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- **PM2 Status Check**: Verifies if the app is running successfully.
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2️⃣ Pipeline 2 - Node.js Application (npm-based)
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Automated Checkout: Pulls the Node.js application from GitHub.
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---
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Dependency Management: Installs all required dependencies using npm.
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## 💡 **Project Goals**
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Unit & Jest Tests: Runs tests to ensure application integrity.
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Code Quality Analysis: Performs SonarQube code analysis.
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Application Deployment: Deploys the Node.js application using PM2.
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PM2 Status Check: Verifies if the app is running successfully.
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💡 Project Goals
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This project strives to achieve:
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- **Automated Deployments**: From build to deployment for **both Java and Node.js** applications.
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- **Quality Assurance**: **SonarQube** integration for automatic code quality analysis.
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- **Real-time Notifications**: Instant **Slack** notifications about the build status.
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- **Efficient Management**: Deploy Java apps on **Tomcat** and manage Node.js apps with **PM2**.
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Automated Deployments: From build to deployment for both Java and Node.js applications.
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Quality Assurance: SonarQube integration for automatic code quality analysis.
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---
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Real-time Notifications: Instant Slack notifications about the build status.
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## ⚙️ **How It Works**
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Efficient Management: Deploy Java apps on Tomcat and manage Node.js apps with PM2.
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⚙️ How It Works
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This project leverages two pipelines to handle the automation of your applications:
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Pipeline 1 (Java Application)
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Checkout: Clones the Java project from GitHub.
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Compile & Test: Builds and tests the application using Maven.
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SonarQube Analysis: Runs a code quality check using SonarQube.
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Deploy to Nexus: Deploys the Java artifact to Nexus for versioning.
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Deploy to Tomcat: Deploys the built application to the Tomcat server.
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### Pipeline 1 (Java Application)
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1. **Checkout**: Clones the Java project from GitHub.
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2. **Compile & Test**: Builds and tests the application using **Maven**.
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3. **SonarQube Analysis**: Runs a code quality check using **SonarQube**.
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4. **Deploy to Nexus**: Deploys the Java artifact to **Nexus** for versioning.
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5. **Deploy to Tomcat**: Deploys the built application to the **Tomcat** server.
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6. **Trigger Pipeline 2**: On success, triggers **Pipeline 2** to start the Node.js pipeline.
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Trigger Pipeline 2: On success, triggers Pipeline 2 to start the Node.js pipeline.
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### Pipeline 2 (Node.js Application)
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1. **Checkout**: Clones the Node.js project from GitHub.
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2. **Install Dependencies**: Uses **npm** to install necessary packages.
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3. **Unit & Jest Tests**: Executes both **unit** and **Jest** tests for the application.
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4. **SonarQube Analysis**: Runs **SonarQube** analysis for Node.js code quality.
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5. **Start Application with PM2**: Deploys the Node.js app using **PM2**.
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6. **Verify Status**: Uses **PM2** to check the application’s running status.
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Pipeline 2 (Node.js Application)
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Checkout: Clones the Node.js project from GitHub.
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---
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Install Dependencies: Uses npm to install necessary packages.
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## 🌟 **Why This Project?**
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Unit & Jest Tests: Executes both unit and Jest tests for the application.
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SonarQube Analysis: Runs SonarQube analysis for Node.js code quality.
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Start Application with PM2: Deploys the Node.js app using PM2.
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Verify Status: Uses PM2 to check the application’s running status.
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🌟 Why This Project?
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This project is designed to solve several challenges in modern development workflows:
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- **Automate everything**: No more manual deployments. Everything, from builds to tests to deployment, is automated.
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- **High-quality code**: Continuous **SonarQube analysis** ensures that your code maintains the highest standards.
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- **Real-time updates**: Stay informed with **Slack notifications** every time a build succeeds or fails.
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- **Seamless app management**: **Tomcat** for Java and **PM2** for Node.js makes managing your applications effortless.
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Automate everything: No more manual deployments. Everything, from builds to tests to deployment, is automated.
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High-quality code: Continuous SonarQube analysis ensures that your code maintains the highest standards.
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---
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Real-time updates: Stay informed with Slack notifications every time a build succeeds or fails.
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## 🛠️ **Technologies Used**
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Seamless app management: Tomcat for Java and PM2 for Node.js makes managing your applications effortless.
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- **Jenkins**: For automating the entire build, test, and deployment pipeline.
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- **GitHub**: Hosts the source code for both Java and Node.js applications.
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- **Maven**: Handles the build and deployment for the Java project.
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- **SonarQube**: Analyzes the code quality to maintain high standards.
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- **Nexus**: Stores Java artifacts for deployment and versioning.
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- **Tomcat**: Hosts and runs the Java application.
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- **PM2**: Manages and runs the Node.js application efficiently.
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- **Slack**: Sends real-time notifications about build status.
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🛠️ Technologies Used
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Jenkins: For automating the entire build, test, and deployment pipeline.
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---
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GitHub: Hosts the source code for both Java and Node.js applications.
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## 🚀 **How to Set Up and Run**
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Maven: Handles the build and deployment for the Java project.
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### 1️⃣ **Install Jenkins and Required Plugins**
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- Install the following Jenkins plugins:
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- **NodeJS** plugin
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- **SonarQube** plugin
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- **Slack Notification** plugin
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- **JUnit** plugin
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SonarQube: Analyzes the code quality to maintain high standards.
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### 2️⃣ **Configure Jenkins Tools**
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- Go to **Jenkins Global Configuration** and add **Node.js** and **Maven**.
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Nexus: Stores Java artifacts for deployment and versioning.
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### 3️⃣ **Set Up GitHub Repositories**
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- Ensure your Java and Node.js projects are hosted on GitHub and have webhooks set up to trigger Jenkins jobs.
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Tomcat: Hosts and runs the Java application.
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### 4️⃣ **Create the Pipelines in Jenkins**
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- **Pipeline 1** (Java): Create a Jenkins pipeline that handles the Java application’s build, test, SonarQube analysis, and deployment.
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- **Pipeline 2** (Node.js): Create a Jenkins pipeline for Node.js that manages checkout, testing, SonarQube analysis, and PM2 deployment.
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PM2: Manages and runs the Node.js application efficiently.
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### 5️⃣ **Integrate SonarQube**
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- Set up **SonarQube** analysis for both projects to maintain code quality.
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Slack: Sends real-time notifications about build status.
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### 6️⃣ **Add Slack Integration**
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- Set up Slack webhooks in Jenkins to get instant notifications of build results.
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🚀 How to Set Up and Run
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1️⃣ Install Jenkins and Required Plugins
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Install the following Jenkins plugins:
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### 7️⃣ **Trigger Pipelines**
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- **Pipeline 1** triggers **Pipeline 2** automatically upon successful completion.
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NodeJS plugin
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SonarQube plugin
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## 📝 **Challenges Faced**
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Slack Notification plugin
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- **Managing Two Different Tech Stacks**: Integrating both **Java (Maven)** and **Node.js (npm)** pipelines required handling separate build tools and environments.
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- **SonarQube Integration**: Ensuring that SonarQube correctly analyzes both Java and Node.js code with the same configurations.
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- **Deployment Management**: Deploying the Java app to **Tomcat** and the Node.js app using **PM2** required careful configuration of both servers.
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- **Monitoring and Notifications**: Configuring **Slack** notifications and **PM2 status checks** for real-time feedback on app performance.
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JUnit plugin
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2️⃣ Configure Jenkins Tools
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Go to Jenkins Global Configuration and add Node.js and Maven.
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## 🎉 **Conclusion**
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3️⃣ Set Up GitHub Repositories
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Ensure your Java and Node.js projects are hosted on GitHub and have webhooks set up to trigger Jenkins jobs.
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This **CI/CD pipeline** provides a comprehensive solution for automating the deployment and management of **Java** and **Node.js** applications. By integrating tools like **Jenkins**, **SonarQube**, **PM2**, and **Slack**, this project ensures that both your applications are constantly tested, deployed, and monitored, giving you peace of mind and improved productivity.
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4️⃣ Create the Pipelines in Jenkins
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Pipeline 1 (Java): Create a Jenkins pipeline that handles the Java application’s build, test, SonarQube analysis, and deployment.
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---
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Pipeline 2 (Node.js): Create a Jenkins pipeline for Node.js that manages checkout, testing, SonarQube analysis, and PM2 deployment.
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### 🔧 **Get Started**
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5️⃣ Integrate SonarQube
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Set up SonarQube analysis for both projects to maintain code quality.
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6️⃣ Add Slack Integration
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Set up Slack webhooks in Jenkins to get instant notifications of build results.
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7️⃣ Trigger Pipelines
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Pipeline 1 triggers Pipeline 2 automatically upon successful completion.
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📝 Challenges Faced
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Managing Two Different Tech Stacks: Integrating both Java (Maven) and Node.js (npm) pipelines required handling separate build tools and environments.
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Clone this repository and adapt it to your own needs. Customize the pipeline scripts for your specific Java and Node.js projects, and you'll have a robust CI/CD solution in no time! 🎉
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SonarQube Integration: Ensuring that SonarQube correctly analyzes both Java and Node.js code with the same configurations.
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---
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Deployment Management: Deploying the Java app to Tomcat and the Node.js app using PM2 required careful configuration of both servers.
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### 📜 **License**
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Monitoring and Notifications: Configuring Slack notifications and PM2 status checks for real-time feedback on app performance.
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This project is licensed under the **MIT License**. See the [LICENSE](LICENSE) file for details.
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🎉 Conclusion
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This CI/CD pipeline provides a comprehensive solution for automating the deployment and management of Java and Node.js applications. By integrating tools like Jenkins, SonarQube, PM2, and Slack, this project ensures that both your applications are constantly tested, deployed, and monitored, giving you peace of mind and improved productivity.
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---
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🔧 Get Started
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Clone this repository and adapt it to your own needs. Customize the pipeline scripts for your specific Java and Node.js projects, and you'll have a robust CI/CD solution in no time! 🎉
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Feel free to explore and contribute! Let’s automate and build better software! 🌟

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