GitHub workflow to build frontend image (#1)

Added a workflow to trigger docker image build and push to Github container registry for frontend. Added frontend envs to dockerfile.

.github/workflows/publish-front-image.yaml

@@ -0,0 +1,47 @@
+name: Publish Frontend Image to GHCR
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Image tag'
+        required: true
+        default: 'latest'
+
+env:
+  IMAGE_NAME: frontend
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{ github.repository }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=${{ github.event.inputs.tag }}
+            type=sha,prefix={{date 'YYYYMMDD'}}-
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: ./frontend
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

frontend/Dockerfile

@@ -8,6 +8,16 @@ RUN npm cache clean --force && npm ci
 
 # Build the application
 COPY . .
+
+ARG NEXT_PUBLIC_CHAT_API=http://localhost:8000/api/chat
+ENV NEXT_PUBLIC_CHAT_API=$NEXT_PUBLIC_API_URL
+
+ARG NEXT_PUBLIC_USE_LLAMACLOUD=false
+ENV NEXT_PUBLIC_USE_LLAMACLOUD=$NEXT_PUBLIC_USE_LLAMACLOUD
+
+ARG NEXT_TELEMETRY_DISABLED=1
+ENV NEXT_TELEMETRY_DISABLED=$NEXT_TELEMETRY_DISABLED
+
 RUN npm run build
 
 # Production stage