baljeesi/jenkins-k8-deployment

Build and Deploy Sample Application with Jenkins Pipeline to Minikube Kubernetes Cluster

Prerequisites

Ensure you have Homebrew installed on your Mac. If not, you can install it using:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

1. Install Java

1. Install Java using Homebrew:

   brew install java11

   This will install OpenJDK 11.

2. Set JAVA_HOME Environment Variable: (Optional)

   After installation, you need to set the JAVA_HOME environment variable. The lines will be populated in the logs of java installation. The lines might look like the below examples.

   export PATH="/opt/homebrew/opt/openjdk@11/bin:$PATH" >> ~/.zshrc
   export JAVA_HOME=$(/usr/libexec/java_home -v 11)
   export PATH=$JAVA_HOME/bin:$PATH

2. Install Jenkins LTS

1. Install Jenkins LTS using Homebrew:

   brew install jenkins-lts

2. Start Jenkins:

   brew services start jenkins-lts

   Jenkins will start automatically and run as a background service.

3. Access Jenkins:

   Open your web browser and navigate to:

   http://localhost:8080
   

4. Unlock Jenkins:

   You’ll need to unlock Jenkins using the initial admin password. Find the password with:

   cat /Users/$(whoami)/.jenkins/secrets/initialAdminPassword

   Copy the password and paste it into the Jenkins unlock page.

4. Install Minikube

1. To install the latest minikube stable release on x86-64 macOS using binary download::

   curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-darwin-amd64
   sudo install minikube-darwin-amd64 /usr/local/bin/minikube

2. Start Minikube:

   minikube start

   This will start Minikube with default settings.

3. Verify Minikube Status:

   minikube status

Once you are done with you setup, Below are the steps for clean up.

minikube stop

brew services stop jenkins-lts

brew uninstall jenkins-lts

brew uninstall java11

Conclusion

You have successfully installed Java, Jenkins LTS, and Minikube on your Mac using Homebrew. Ensure to check each tool's documentation for advanced configurations and troubleshooting.