Create go-react.md

Author: simonzy15

go-react.md

@@ -0,0 +1,76 @@
+### Install Dependencies 
+
+```
+snap install microk8s --classic
+snap install docker
+snap install kubectl --classic
+snap install helm --classic
+wget -c https://golang.org/dl/go1.15.5.linux-amd64.tar.gz
+tar -C /usr/local -xzf go1.15.6.linux-amd64.tar.gz
+export PATH=$PATH:/snap/bin
+```
+
+### Enable Microk8s Add-ons
+
+```
+microk8s.enable dns
+microk8s.enable storage
+microk8s.enable registry
+microk8s enable ingress
+microk8s enable rbac
+```
+
+### Update Microk8s config
+```
+cd /home/devuser
+sudo mkdir .kube
+cd .kube
+sudo microk8s config > config
+
+export KUBECONFIG=/home/devuser/.kube/config:/home/devuser/.kube/microk8s
+sudo kubectl config set-context microk8s
+```
+
+### MongoDB
+```
+helm repo add bitnami https://charts.bitnami.com/bitnami
+helm repo update
+helm install my-release bitnami/mongodb
+```
+
+### Golang and React files and update MongoDB connection string 
+```
+git clone https://github.com/BigBitBusInc/kubernetes-automation-toolkit.git
+export MONGODB_ROOT_PASSWORD=$(kubectl get secret --namespace default my-release-mongodb -o jsonpath="{.data.mongodb-root-password}" | base64 --decode)
+echo $MONGODB_ROOT_PASSWORD
+```
+Copy this password and navigate to kubernetes-automation-toolkit/code/app-code/api/todo-golang/middleware
+```
+cd kubernetes-automation-toolkit/code/app-code/api/todo-golang/middleware
+vi middleware.go
+```
+Change the connection string to the copied password
+const connectionString = "mongodb://root:[mongodb password]@my-release-mongodb.default.svc.cluster.local:27017/?connect=direct"
+
+
+### Set up Golang server
+```
+cd kubernetes-automation-toolkit/code/app-code/api/todo-golang
+docker build -t localhost:32000/golang-docker:latest .
+docker push localhost:32000/golang-docker:latest
+kubectl create -f k8s-pod.yaml
+```
+
+### Set up React webpage
+```
+cd kubernetes-automation-toolkit/code/app-code/frontend/todo-react/client
+docker build -t localhost:32000/react-fe:latest .
+docker push localhost:32000/react-fe:latest
+kubectl create -f k8s-pod.yaml
+```
+
+### Port-forward services
+```
+kubectl port-forward service/go-be-service 30007:8080
+kubectl port-forward service/react-fe-service 30008:3000
+```