diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..e15ef6f
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,120 @@
+on:
+  push:
+    branches:
+      - main
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  sourcemaps:
+    runs-on: ubuntu-latest
+
+    steps:
+      - { uses: actions/checkout@v6.0.0 }
+      - { uses: denoland/setup-deno@v2.0.3, with: { cache: true } }
+      - { run: deno i }
+      - {
+          run: deno task build,
+          env: { SENTRY_TOKEN: "${{ secrets.SENTRY_TOKEN }}" },
+        }
+  # =============================================================================
+
+  build:
+    strategy:
+      matrix:
+        platform:
+          - linux/amd64
+          # - linux/arm64
+    runs-on: ubuntu-24.04${{ matrix.platform == 'linux/arm64' && '-arm' || '' }}
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v6.0.0
+      - uses: docker/login-action@v3.6.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - run: |
+          PLATFORM=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${PLATFORM//\//-}" >> $GITHUB_ENV
+
+      - uses: docker/metadata-action@v5.9.0
+        with: { images: "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}" }
+        id: meta
+
+      - run: docker context create builders
+        id: buildx-context
+
+      - uses: docker/setup-buildx-action@v3.11.1
+        with: { endpoint: builders, platforms: "${{ matrix.platform }}" }
+
+      - uses: docker/build-push-action@v6.18.0
+        with:
+          context: .
+          labels: ${{ steps.meta.outputs.labels }}
+          annotations: ${{ steps.meta.outputs.annotations }}
+          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true,oci-mediatypes=true
+          cache-from: type=gha,scope=${{ github.repository }}-${{ github.ref_name }}-${{ matrix.platform }}
+          cache-to: type=gha,scope=${{ github.repository }}-${{ github.ref_name }}-${{ matrix.platform }}
+        id: build
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v5.0.0
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          if-no-files-found: error
+          path: /tmp/digests/*
+          retention-days: 1
+  # =============================================================================
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: build
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/download-artifact@v5.0.0
+        with: { path: /tmp/digests, pattern: digests-*, merge-multiple: true }
+      - uses: docker/setup-buildx-action@v3.11.1
+
+      - uses: docker/login-action@v3.6.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/metadata-action@v5.9.0
+        id: meta
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=sha
+
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)
+
+# =============================================================================