MongoDb and Mongo-Express Deployment with Kubernetes

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Create a namespace for this group of resources.

kubectl create namespace database

Execute the following commands in order to create the Kubernetes Secrets, ConfigMaps, Deployments and Services for Mongodb and MongoExpress

• kubectl apply -n database -f mongodb-secrets.yaml
• kubectl apply -n database -f mongodb-configmap.yaml
• kubectl apply -n database -f mongodb-deployment.yaml
• kubectl apply -n database -f mongodb-service.yaml
• kubectl apply -n database -f mongo--express-deployment.yaml (includes service configuration)

Once all the above got successfull created service can be exposed outside with following commands

kubectl patch svc mongo-express-service -n database -p '{"spec": {"type": "LoadBalancer"}}'

Once the service patching is done execute the below one

kubectl port-forward svc/mongo-express-service -n database 8081:8081

Now, the mongo-express web app can be accessed with your browser

http://localhost:8081