gh-actions: bun ghcr

.github/workflows/ghcr.yml

@@ -9,6 +9,7 @@ on:
 env:
   REGISTRY: "ghcr.io"
   IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME_BUN: ${{ github.repository }}-bun
   GIT_REF: ${{ github.event.inputs.git-ref || github.ref }}
 
 # docs.github.com/en/actions/publishing-packages/publishing-docker-images
@@ -55,6 +56,52 @@ jobs:
       - name: 📕 Attest
         uses: actions/attest-build-provenance@v1
         with:
-          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true
+
+  bunjs:
+    name: 🚀 Bun on Alpine
+    runs-on: ubuntu-latest
+    permissions:
+        contents: read
+        packages: write
+        attestations: write
+        id-token: write
+
+    steps:
+      - name: 🚚 Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.GIT_REF }}
+          fetch-depth: 0
+
+      - name: 🔐 Login
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: 🏷️ Metadata
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_BUN }}
+
+      - name: 🛠 Build
+        id: push
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          file: ./bun.Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: 📕 Attest
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_BUN }}
           subject-digest: ${{ steps.push.outputs.digest }}
           push-to-registry: true

bun.Dockerfile

@@ -4,7 +4,7 @@ COPY . .
 RUN bun build ./src/server-node.js --target node --outdir ./dist --entry-naming bun.mjs --format esm
 RUN export BLOCKLIST_DOWNLOAD_ONLY=true && node ./dist/bun.mjs
 
-FROM oven/bun AS runner
+FROM oven/bun:alpine AS runner
 # env vals persist even at run-time: archive.is/QpXp2
 # and overrides fly.toml env values
 # get working dir in order