Enable Multiplatform build and Change image name to lower-xase

.github/workflows/docker-publish.yml

@@ -44,18 +44,30 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        # 👆 This is needed ARM emulation on AMD64 runner
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        # 👆 This is need for QEMU to work
+
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Set lowercase repository name
+        run: |
+          echo "LOWERCASE_REPO=$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
       - name: Extract metadata for Docker
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ghcr.io/${{ github.repository }}
+          images: ghcr.io/${{ env.LOWERCASE_REPO }}
 
       - name: Build and push
         uses: docker/build-push-action@v6
@@ -65,6 +77,6 @@ jobs:
           file: ./docker/Dockerfile
           push: true
           tags: |
-            ghcr.io/${{ github.repository }}:latest
-            ghcr.io/${{ github.repository }}:${{ github.sha }}
+            ghcr.io/${{ env.LOWERCASE_REPO }}:latest
+            ghcr.io/${{ env.LOWERCASE_REPO }}:${{ github.sha }}
           labels: ${{ steps.meta.outputs.labels }}

docker/Dockerfile

@@ -1,8 +1,17 @@
 # Using 18 alpine because supports arm/v8 and arm/v8 needed for silicon chips
-FROM node:18-alpine
-RUN apk add --no-cache bash
+
+# Builder stage with build tools - especially for node-gyp in arm64
+FROM node:18-alpine AS builder
+RUN apk add --no-cache bash python3 make g++
 WORKDIR /app
 ADD ./ .
 RUN npm install
 RUN npm run build
+
+# Runtime stage - minimal
+FROM node:18-alpine
+RUN apk add --no-cache bash
+WORKDIR /app
+ADD ./ .
+COPY --from=builder /app/node_modules /app/node_modules
 CMD ["npm", "start"]