chore(website): set node version in dockerfile through arg, align wit…

…h nvmrc, bump to 22 (#1841)

.github/workflows/website.yml

@@ -63,6 +63,11 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Get node version build arg
+        run: |
+          NODE_VERSION=$(cat website/.nvmrc | tr -cd [:digit:].)
+          echo "NODE_VERSION=$NODE_VERSION" >> $GITHUB_ENV
+
       - name: Build and push image
         if: env.CACHE_HIT == 'false'
         uses: docker/build-push-action@v5
@@ -73,6 +78,7 @@ jobs:
           cache-from: type=gha,scope=website-${{ github.ref }}
           cache-to: type=gha,mode=max,scope=website-${{ github.ref }}
           platforms: ${{ env.BUILD_ARM && 'linux/amd64,linux/arm64' || 'linux/amd64' }}
+          build-args: NODE_VERSION=${{ env.NODE_VERSION }}
 
       - name: Retag and push existing image if cache hit
         if: env.CACHE_HIT == 'true'

website/Dockerfile

@@ -1,4 +1,6 @@
-FROM node:lts-alpine as base
+ARG NODE_VERSION=22
+FROM node:${NODE_VERSION}-alpine as base
+
 WORKDIR /app
 
 COPY .env.docker .env