Cleaned up and unified GitHub Actions deploy workflow

.github/workflows/build-and-deploy.yaml

@@ -0,0 +1,48 @@
+name: Build and Deploy to Kubernetes
+
+# Uncomment to enable auto-deployment on push to main
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Debug Repository Info
+        run: echo "Repository: ${{ github.repository }}"
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and Push Docker Image
+        run: |
+          IMAGE_NAME="ghcr.io/${{ github.repository }}"
+          docker build -t "$IMAGE_NAME:latest" .
+          docker push "$IMAGE_NAME:latest"
+
+      - name: Set up kubeconfig
+        run: |
+          mkdir -p ~/.kube
+          echo "${{ secrets.KUBECONFIG_BASE64 }}" | base64 -d > ~/.kube/config
+          chmod 600 ~/.kube/config
+        env:
+          KUBECONFIG: ~/.kube/config
+
+      - name: Deploy to Kubernetes
+        run: |
+          IMAGE_NAME="ghcr.io/${{ github.repository }}"
+          kubectl set image deployment/homepage homepage=$IMAGE_NAME:latest -n web
+        env:
+          KUBECONFIG: ~/.kube/config