ci: address release review findings

Author: gildesmarais

.github/workflows/release.yml

@@ -122,26 +122,6 @@ jobs:
           ref: ${{ needs.guard.outputs.target_sha }}
           fetch-depth: 0
 
-      - name: Setup pnpm
-        uses: pnpm/action-setup@v6
-        with:
-          cache: true
-          cache_dependency_path: frontend/pnpm-lock.yaml
-          package_json_file: frontend/package.json
-
-      - name: Setup Node.js for Docker build
-        uses: actions/setup-node@v6
-        with:
-          node-version-file: ".tool-versions"
-
-      - name: Install frontend dependencies
-        run: pnpm install --frozen-lockfile
-        working-directory: frontend
-
-      - name: Build frontend static assets
-        run: pnpm run build
-        working-directory: frontend
-
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4
 

Dockerfile

@@ -45,8 +45,8 @@ LABEL maintainer="Gil Desmarais <html2rss-web-docker@desmarais.de>"
 
 SHELL ["/bin/ash", "-o", "pipefail", "-c"]
 
-ARG BUILD_TAG=unknown
-ARG GIT_SHA=unknown
+ARG BUILD_TAG
+ARG GIT_SHA
 
 ENV PORT=4000 \
   RACK_ENV=production \