Resolve "Run the application on Kubernetes locally using “minikube”"

Closes #19 (closed)

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assigned to @gajesh24

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• 92a9d51e - feat(kubernetes): complete Kubernetes setup for todo-app with Minikube

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Setup Guide to Use the Project

Prerequisites:

1. Install Minikube: Follow the official Minikube installation guide.

2. Install kubectl: Ensure you have Kubernetes CLI (kubectl) installed and configured.

Step-by-Step Instructions

1. Start Minikube
   • Run Minikube with your preferred driver/docker engine (e.g., Docker):

minikube start --driver=docker

2. Build Docker Images

• Point your terminal to Minikube’s Docker environment:

eval $(minikube docker-env)

• Build the todo-app image:

docker build -t todo-app:latest .

3. Deploy MongoDB

• Apply the MongoDB deployment and service configuration:

kubectl apply -f mongodb-deployment.yml
kubectl apply -f mongodb-service.yml

4. Deploy Todo App

• Apply the todo-app deployment and service configuration:

kubectl apply -f todo-app-deployment.yml
kubectl apply -f todo-app-service.yml

5. Access the Application

• Use Minikube’s service command to expose the app:

minikube service todo-app --url

• Open the URL provided by the command in your browser.

6. Verify Functionality

• Test creating, viewing, and deleting tasks via the ToDo app UI.
• Verify MongoDB connectivity by checking app logs:

kubectl logs -l app=todo-app

Debugging and Troubleshooting

• Check Pod Status:

kubectl get pods

Ensure all pods are in the Running state

• Inspect Logs:

kubectl logs <pod-name>

• Delete Pods to Restart:

kubectl delete pod -l app=todo-app

• Reset Minikube if Issues Persist:

minikube delete
minikube start

Cleanup

• To remove all Kubernetes resources:

kubectl delete -f mongodb-deployment.yml
kubectl delete -f mongodb-service.yml
kubectl delete -f todo-app-deployment.yml
kubectl delete -f todo-app-service.yml

• To remove minikube and its data:

minikube stop
minikube delete --all
rm -rf ~/.minikube
rm -rf ~/.kube
brew uninstall minikube

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mentioned in commit 8a82de38