Add test-frontend, build-backend, and build-frontend stages to CI workflow

.forgejo/workflows/ci.yml

@@ -124,3 +124,82 @@ jobs:
       - name: Debug DB (on failure)
         if: failure()
         run: podman --remote logs --tail=200 test-postgres-${{ env.RUN_ID }} || true
+
+  test-frontend:
+    runs-on: [ci]
+    needs: test-backend
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Pass-through (no frontend tests yet)
+        run: echo "Frontend tests placeholder - no tests implemented yet"
+
+  build-backend:
+    runs-on: [ci]
+    needs: [test-backend, test-frontend]
+
+    env:
+      CONTAINER_HOST: unix:///run/user/1001/podman/podman.sock
+      XDG_RUNTIME_DIR: /tmp
+      RUN_ID: ${{ github.run_id }}
+      BACKEND_IMAGE: ${{ secrets.REGISTRY_HOST }}/${{ github.repository }}/sharenet-backend-api-postgres
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Login to container registry with PAT
+        run: |
+          echo "${{ secrets.REGISTRY_TOKEN }}" | podman --remote login \
+            -u "${{ secrets.REGISTRY_USERNAME }}" \
+            --password-stdin \
+            "${{ secrets.REGISTRY_HOST }}"
+
+      - name: Build backend container image
+        run: |
+          podman --remote build \
+            -f backend/Dockerfile \
+            -t "$BACKEND_IMAGE:${{ github.sha }}" \
+            -t "$BACKEND_IMAGE:latest" \
+            backend
+
+      - name: Push backend container image
+        run: |
+          podman --remote push "$BACKEND_IMAGE:${{ github.sha }}"
+          podman --remote push "$BACKEND_IMAGE:latest"
+
+  build-frontend:
+    runs-on: [ci]
+    needs: [test-backend, test-frontend]
+
+    env:
+      CONTAINER_HOST: unix:///run/user/1001/podman/podman.sock
+      XDG_RUNTIME_DIR: /tmp
+      RUN_ID: ${{ github.run_id }}
+      FRONTEND_IMAGE: ${{ secrets.REGISTRY_HOST }}/${{ github.repository }}/sharenet-frontend
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Login to container registry with PAT
+        run: |
+          echo "${{ secrets.REGISTRY_TOKEN }}" | podman --remote login \
+            -u "${{ secrets.REGISTRY_USERNAME }}" \
+            --password-stdin \
+            "${{ secrets.REGISTRY_HOST }}"
+
+      - name: Build frontend container image
+        run: |
+          podman --remote build \
+            -f frontend/Dockerfile \
+            -t "$FRONTEND_IMAGE:${{ github.sha }}" \
+            -t "$FRONTEND_IMAGE:latest" \
+            frontend
+
+      - name: Push frontend container image
+        run: |
+          podman --remote push "$FRONTEND_IMAGE:${{ github.sha }}"
+          podman --remote push "$FRONTEND_IMAGE:latest"