Technical feature/nr 60 deployment hook (#181)

* Decomposed pipeline

# validate pipeline for pull requests to master
# cicd pipeline with deployment hook on pushes to master

* added pr trigger

* renamed worklow

* removed workflow

* added test change

* removed test code

.github/workflows/backend.yml

@@ -1,4 +1,4 @@
-name: Validate, build and push backend.
+name: Validate backend.
 
 on:
   push:
@@ -31,21 +31,3 @@ jobs:
         run: npm run -w backend unit-test
       - name: Integration tests
         run: npm run -w backend integration-test
-
-  build-and-push:
-    needs: tests
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Build and push
-        uses: docker/build-push-action@v4
-        with:
-          push: true
-          file: backend/Dockerfile
-          tags: sjakusch/steam-game-stats-backend:latest

.github/workflows/cicd-backend.yml

@@ -0,0 +1,59 @@
+name: Validate and deploy backend.
+
+on:
+  push:
+    branches: [master]
+    paths: ["backend/**"]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.12.1]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+      - name: Install backend dependencies
+        run: npm ci -w backend
+      - name: Prettier check
+        run: npm run -w backend prettier:check
+      - name: Unit tests
+        run: npm run -w backend unit-test
+      - name: Integration tests
+        run: npm run -w backend integration-test
+
+  build-and-push:
+    needs: tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          push: true
+          file: backend/Dockerfile
+          tags: sjakusch/steam-game-stats-backend:latest
+
+  deploy:
+    needs: build-and-push
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy on Render
+        if: github.ref == 'refs/heads/master'
+        env:
+          deploy_url: ${{ secrets.RENDER_DEPLOY_HOOK_URL }}
+        run: |
+          curl "$deploy_url"