feat/release container image

.github/workflows/release.yaml

@@ -0,0 +1,54 @@
+name: Release Container Image
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    name: Build and push container image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=raw,value=latest,enable=${{ github.event_name == 'push' }}
+            type=raw,value=pr-${{ github.event.pull_request.number }},enable=${{ github.event_name == 'pull_request' }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
+
+      - name: Build and push
+        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 #v7.0.0
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

@@ -1,6 +1,14 @@
-# syntax=docker/dockerfile:1.7
+# syntax=docker/dockerfile:1
 
-FROM node:22-alpine AS builder
+ARG DEBIAN_RELEASE_NAME=trixie
+
+ARG NGINX_VERSION=1.29
+ARG NGINX_IMAGE=nginx:${NGINX_VERSION}-${DEBIAN_RELEASE_NAME}
+
+ARG NODE_VERSION=22
+ARG NODE_IMAGE=node:${NODE_VERSION}-${DEBIAN_RELEASE_NAME}-slim
+
+FROM ${NODE_IMAGE} AS builder
 
 WORKDIR /app
 
@@ -13,7 +21,10 @@ COPY src ./src
 
 RUN npm run build
 
-FROM nginx:1.27-alpine AS runtime
+FROM scratch AS static
+COPY --from=builder /app/dist /app/dist
+
+FROM ${NGINX_IMAGE} AS runtime
 
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 COPY env.template.js /usr/share/nginx/html/config.template.js