Golang Microservices With GRPC And Kubernetes (Minikube)

Requirements

• Docker
• Minikube
• Kubectl
• Golang
• Protoc

Start Minikube

minikube start

eval $(minikube docker-env)

Deploy MongoDB

cd k8s/mongodb

kubectl apply -f .

Create One User on MongoDB

    mongo -u admin -p admin --authenticationDatabase admin

    use microservices

    db.createUser({user: 'user', pwd: 'password', roles:[{'role': 'readWrite', 'db': 'microservices'}]});

    show users;

    # testing authentication with new user
    mongo -u user -p password --authenticationDatabase microservices

    use microservices

    show collections

Build Proto Files

# root directory
protoc -I=./messages --go_out=plugins=grpc:. ./messages/*.proto

Build Services

# root directory
sh build.sh

Build Image

cd k8s/docker

sh build.sh

Deploy Services

cd k8s/services

kubectl apply -f .

Generate EXTERNAL-IP

minikube tunnel

Visualize EXTERNAL-IP

kubectl get svc api-service

Visualize Logs

minikube dashboard