feat(website): build website image for arm, use current astro docs re…

…commended Dockerfile (#1827)

.github/workflows/website.yml

@@ -3,9 +3,16 @@ name: website
 on:
   push:
   workflow_dispatch:
+    inputs:
+      build_arm:
+        type: boolean
+        description: "Build for ARM as well"
+        default: false
+        required: false
 
 env:
   DOCKER_IMAGE_NAME: ghcr.io/loculus-project/website
+  BUILD_ARM: ${{ github.ref == 'refs/heads/main' || github.event.inputs.build_arm }} # When to build for arm as well
 
 concurrency:
   group: ci-${{ github.ref == 'refs/heads/main' && github.run_id || github.ref }}-website
@@ -27,7 +34,7 @@ jobs:
         id: files-hash
         run: |
           DIR_HASH=$(echo -n ${{ hashFiles('website/**', '.github/workflows/website.yml') }})
-          echo "DIR_HASH=$DIR_HASH" >> $GITHUB_ENV
+          echo "DIR_HASH=$DIR_HASH${{ env.BUILD_ARM && '-arm'|| '' }}" >> $GITHUB_ENV
 
       - name: Setup Docker metadata
         id: dockerMetadata
@@ -65,6 +72,7 @@ jobs:
           tags: ${{ steps.dockerMetadata.outputs.tags }}
           cache-from: type=gha,scope=website-${{ github.ref }}
           cache-to: type=gha,mode=max,scope=website-${{ github.ref }}
+          platforms: ${{ env.BUILD_ARM && 'linux/amd64,linux/arm64' || 'linux/amd64' }}
 
       - name: Retag and push existing image if cache hit
         if: env.CACHE_HIT == 'true'

website/Dockerfile

@@ -1,25 +1,25 @@
-FROM node:lts-alpine as build-deps
+FROM node:lts-alpine as base
 WORKDIR /app
 
 COPY .env.docker .env
-COPY package*.json ./
+COPY package.json package-lock.json ./
 
-RUN npm ci
-COPY . .
-RUN npm run build
-
-FROM node:lts-alpine
+FROM base as prod-deps
+RUN npm install --omit=dev
 
-WORKDIR /app
-
-COPY .env.docker .env
-COPY package*.json ./
-RUN npm ci --omit=dev
+FROM base as build-deps
+RUN npm install
 
-COPY --from=build-deps /app/dist ./dist
+FROM build-deps as build
+COPY . .
+RUN npm run build
 
-CMD node ./dist/server/entry.mjs
+FROM base AS runtime
+COPY --from=prod-deps /app/node_modules ./node_modules
+COPY --from=build /app/dist ./dist
 
 EXPOSE 3000
 VOLUME /config
 VOLUME /log
+
+CMD node ./dist/server/entry.mjs