feat: distroless image

.github/workflows/nightly.yml

@@ -171,6 +171,8 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           tags: ghcr.io/${{ github.repository_owner }}/tinyauth
           outputs: type=image,push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           build-args: |
             VERSION=${{ needs.generate-metadata.outputs.VERSION }}
             COMMIT_HASH=${{ needs.generate-metadata.outputs.COMMIT_HASH }}
@@ -190,6 +192,64 @@ jobs:
           if-no-files-found: error
           retention-days: 1
 
+  image-build-distroless:
+    runs-on: ubuntu-latest
+    needs:
+      - create-release
+      - generate-metadata
+      - image-build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: nightly
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository_owner }}/tinyauth
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        id: build
+        with:
+          platforms: linux/amd64
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: ghcr.io/${{ github.repository_owner }}/tinyauth
+          outputs: type=image,push-by-digest=true,name-canonical=true,push=true
+          file: Dockerfile.distroless
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            VERSION=${{ needs.generate-metadata.outputs.VERSION }}
+            COMMIT_HASH=${{ needs.generate-metadata.outputs.COMMIT_HASH }}
+            BUILD_TIMESTAMP=${{ needs.generate-metadata.outputs.BUILD_TIMESTAMP }}
+
+      - name: Export digest
+        run: |
+          mkdir -p ${{ runner.temp }}/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "${{ runner.temp }}/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-distoless-linux-amd64
+          path: ${{ runner.temp }}/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
   image-build-arm:
     runs-on: ubuntu-24.04-arm
     needs:
@@ -217,10 +277,6 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Set version
-        run: |
-          echo nightly > internal/assets/version
-
       - name: Build and push
         uses: docker/build-push-action@v6
         id: build
@@ -229,6 +285,8 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           tags: ghcr.io/${{ github.repository_owner }}/tinyauth
           outputs: type=image,push-by-digest=true,name-canonical=true,push=true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           build-args: |
             VERSION=${{ needs.generate-metadata.outputs.VERSION }}
             COMMIT_HASH=${{ needs.generate-metadata.outputs.COMMIT_HASH }}
@@ -248,6 +306,64 @@ jobs:
           if-no-files-found: error
           retention-days: 1
 
+  image-build-arm-distroless:
+    runs-on: ubuntu-24.04-arm
+    needs:
+      - create-release
+      - generate-metadata
+      - image-build-arm
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: nightly
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository_owner }}/tinyauth
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        id: build
+        with:
+          platforms: linux/arm64
+          labels: ${{ steps.meta.outputs.labels }}
+          tags: ghcr.io/${{ github.repository_owner }}/tinyauth
+          outputs: type=image,push-by-digest=true,name-canonical=true,push=true
+          file: Dockerfile.distroless
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            VERSION=${{ needs.generate-metadata.outputs.VERSION }}
+            COMMIT_HASH=${{ needs.generate-metadata.outputs.COMMIT_HASH }}
+            BUILD_TIMESTAMP=${{ needs.generate-metadata.outputs.BUILD_TIMESTAMP }}
+
+      - name: Export digest
+        run: |
+          mkdir -p ${{ runner.temp }}/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "${{ runner.temp }}/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-distroless-linux-arm64
+          path: ${{ runner.temp }}/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
   image-merge:
     runs-on: ubuntu-latest
     needs:
@@ -285,6 +401,43 @@ jobs:
           docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
             $(printf 'ghcr.io/${{ github.repository_owner }}/tinyauth@sha256:%s ' *)
 
+  image-merge-distroless:
+    runs-on: ubuntu-latest
+    needs:
+      - image-build-distroless
+      - image-build-arm-distroless
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: ${{ runner.temp }}/digests
+          pattern: digests-distroless-*
+          merge-multiple: true
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository_owner }}/tinyauth
+          tags: |
+            type=raw,nightly-distroless
+
+      - name: Create manifest list and push
+        working-directory: ${{ runner.temp }}/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf 'ghcr.io/${{ github.repository_owner }}/tinyauth@sha256:%s ' *)
+
   update-release:
     runs-on: ubuntu-latest
     needs: