added github actions

.github/workflows/deploy.yaml

@@ -0,0 +1,58 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, master ]
+
+env:
+  REGISTRY: "terdenan"
+  IMAGE_NAME: "msc_auth"
+  CONTAINER_NAME: "msc_auth_container"
+
+jobs:
+  image-build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout master
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Registry
+        run: docker login -u ${{ secrets.REGISTRY_USERNAME }} -p ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Build and Push Docker Image
+        run: |
+          TAG_NAME=$(echo $GITHUB_SHA | head -c7)
+          docker buildx create --use
+          docker buildx build --no-cache --push --tag $REGISTRY/$IMAGE_NAME:$TAG_NAME -f Dockerfile
+
+  deploy-image:
+    runs-on: ubuntu-latest
+    needs: image-build-and-push
+
+    steps:
+      - name: Deploy to server
+        uses: appleboy/ssh-action@v1.0.0
+        with:
+          host: ${{ secrets.SERVER_HOST }}
+          username: ${{ secrets.SSH_USERNAME }}
+          key: ${{ secrets.SSH_KEY }}
+          envs: IMAGE_NAME,REGISTRY,GITHUB_SHA,CONTAINER_NAME
+          script: |
+            # Set up variables
+            TAG_NAME=$(echo $GITHUB_SHA | head -c7)
+
+            # Login into Selectel Registry
+            docker login -u ${{ secrets.REGISTRY_USERNAME }} -p ${{ secrets.REGISTRY_PASSWORD }}
+
+            # Stop running container
+            docker stop $CONTAINER_NAME
+
+            # Remove old container
+            docker rm $CONTAINER_NAME
+
+            # Run a new container from a new image
+            docker run -d -p 50051:50051 --name $CONTAINER_NAME -t $REGISTRY/$IMAGE_NAME:$TAG_NAME

Dockerfile

@@ -0,0 +1,22 @@
+################################
+# STEP 1 build executable binary
+################################
+
+FROM golang:1.20.3-alpine AS builder
+
+COPY . /app/src/
+WORKDIR /app/src/
+
+RUN go mod download
+RUN go build -o ./bin/auth_server cmd/grpc_server/main.go
+
+############################
+# STEP 2 build a small image
+############################
+
+FROM alpine:latest
+
+WORKDIR /root/
+COPY --from=builder /app/src/bin/auth_server .
+
+CMD [ "./auth_server" ]

internal/app/app.go

@@ -50,7 +50,8 @@
 }
 
 func (a *App) initConfig(_ context.Context) error {
-	return config.Load(".env")
+	config.Load(".env")
+	return nil
 }
 
 func (a *App) initServiceProvider(_ context.Context) error {