Add CI/CD workflow

.github/workflows/deploy-gke.yaml

@@ -0,0 +1,72 @@
+name: Build and Deploy to GKE
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - '*'
+
+env:
+  GKE_CLUSTER: webrtc-observer
+  GKE_ZONE: us-east1-c
+
+jobs:
+  setup-build-publish-deploy:
+    name: Setup, Build, Publish, and Deploy
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+
+    - name: Login to DockerHub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKER_USER }}
+        password: ${{ secrets.DOCKER_TOKEN }}
+
+    - name: Build images
+      run: |-
+        cd webapp
+        docker build \
+          --tag docker.io/levaitamas/webrtc-observer-webapp \
+          --build-arg host="wss://webrtc-observer.org:9081" \
+          .
+        cd ../media-server
+        docker build \
+          --tag docker.io/levaitamas/webrtc-observer-mediaserver \
+          .
+
+    - name: Push images
+      run: |-
+        docker tag \
+          docker.io/levaitamas/webrtc-observer-webapp \
+          docker.io/levaitamas/webrtc-observer-webapp:$GITHUB_SHA
+        docker push -all-tags docker.io/levaitamas/webrtc-observer-webapp
+        docker tag \
+          docker.io/levaitamas/webrtc-observer-mediaserver \
+          docker.io/levaitamas/webrtc-observer-mediaserver:$GITHUB_SHA
+        docker push --all-tags docker.io/levaitamas/webrtc-observer-mediaserver
+
+    - name: Authenticate on GKE
+      id: auth
+      uses: google-github-actions/auth@v2
+      with:
+        credentials_json: '${{ secrets.GKE_SA_KEY }}'
+
+    - name: Get GKE Credentials
+      id: get-credentials
+      uses: google-github-actions/get-gke-credentials@v2
+      with:
+        cluster_name: ${{ env.GKE_CLUSTER }}
+        location: ${{ env.GKE_ZONE }}
+
+    - name: Set up Helm
+      uses: azure/setup-helm@v4
+
+    - name: Deploy on GKE
+      run: |
+        helm install webrtc-observer-org charts/webrtc-observer-org \
+          --set webapp.image=docker.io/levaitamas/webrtc-observer-webapp:$GITHUB_SHA \
+          --set mediaserver.image=docker.io/levaitamas/webrtc-observer-mediaserver:$GITHUB_SHA \