Generate prod build inside container

.github/workflows/pull_requests.yml

@@ -44,15 +44,11 @@ jobs:
       with:
         image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
         containerfiles: ./Containerfile
-        platforms: linux/arm64, linux/amd64
+        platforms: linux/amd64
         oci: true
 
     - name: UI Tests
       if: success()
       run: |
         sudo apt-get install xvfb
         xvfb-run --server-args="-screen 0 1200x800x24" npx grunt testui
-  image:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3

.github/workflows/releases.yml

@@ -72,6 +72,10 @@ jobs:
         containerfiles: ./Containerfile
         platforms: linux/arm64, linux/amd64
         oci: true
+        # Webpack seems to use a lot of open files, increase the max open file limit to accomodate.
+        extra-args: |
+          --ulimit nofile=10000
+
 
     - name: Upload Release Assets
       if: success()

Containerfile

@@ -1,3 +1,9 @@
+FROM node:18-alpine AS build
+
+COPY . .
+RUN npm ci
+RUN npm run build
+
 FROM ghcr.io/static-web-server/static-web-server:2.25-alpine
 
-COPY ./build/prod /public
+COPY --from=build ./build/prod /public