Dockerfile manual architecture selection for multiplatform build. Disable NPM Publish for testing

.github/workflows/releases.yml

@@ -62,12 +62,22 @@ jobs:
         tags: ${{ steps.image-metadata.outputs.tags }}
         labels: ${{ steps.image-metadata.outputs.labels }}
         containerfiles: ./Dockerfile
-        platforms: linux/amd64,linux/arm64,linux/arm/v7
+        archs: amd64,arm64v8,arm32v7
         oci: true
+        # enable build layer caching between platforms
+        layers: true
         # Webpack seems to use a lot of open files, increase the max open file limit to accomodate.
         extra-args: |
           --ulimit nofile=10000
 
+    - name: Publish to GHCR
+      uses: redhat-actions/push-to-registry@v2
+      with:
+        image: ${{ steps.build-image.outputs.image }}
+        tags: ${{ steps.build-image.outputs.tags }}
+        registry: ${{ env.REGISTRY }}
+        username: ${{ env.REGISTRY_USER }}
+        password: ${{ env.REGISTRY_PASSWORD }}
 
     - name: Upload Release Assets
       id: upload-release-assets
@@ -82,13 +92,6 @@ jobs:
 
     - name: Publish to NPM
       uses: JS-DevTools/npm-publish@v1
+      if: false
       with:
         token: ${{ secrets.NPM_TOKEN }}
-
-    - name: Publish to GHCR
-      uses: redhat-actions/push-to-registry@v2
-      with:
-        tags: ${{ steps.build-image.outputs.tags }}
-        registry: ${{ env.REGISTRY }}
-        username: ${{ env.REGISTRY_USER }}
-        password: ${{ env.REGISTRY_PASSWORD }}

Dockerfile

@@ -12,19 +12,24 @@ COPY package.json .
 COPY package-lock.json .
 
 # Install dependencies
-# --ignore-scripts do not run grunt postinstall script as it depends on files other than package.json
+# --ignore-scripts prevents postinstall script (which runs grunt) as it depends on files other than package.json
 RUN npm ci --ignore-scripts
 
-# Build the app
+# Copy files needed for postinstall and build
 COPY . .
 
 # npm postinstall runs grunt, which depends on files other than package.json
 RUN npm run postinstall
+
+# Build the app
 RUN npm run build
 
 #########################################
 # Package static build files into nginx #
 #########################################
-FROM nginx:stable-alpine AS cyberchef
+# We are using Github Actions: redhat-actions/buildah-build@v2 which needs manual selection of arch in base image
+# Remove TARGETARCH if docker buildx is supported in the CI release as --platform=$TARGETPLATFORM will be automatically set
+ARG TARGETARCH
+FROM ${TARGETARCH}/nginx:stable-alpine AS cyberchef
 
 COPY --from=builder /app/build/prod /usr/share/nginx/html/