Push to github registry

Author: ChappIO

.github/workflows/build.yml

@@ -49,4 +49,50 @@ jobs:
       - uses: softprops/action-gh-release@v1
         if: startsWith(github.ref, 'refs/tags/')
         with:
-          files: ${{ matrix.filename }}
+          files: ${{ matrix.filename }}
+      - run: mv ${{ matrix.filename }} git-backup
+      - uses: actions/upload-artifact@v2
+        with:
+          name: binary-${{ matrix.filename }}
+          path: git-backup
+  build_docker:
+    needs:
+      - build
+    name: Build Docker
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/download-artifact@v2
+        with:
+          name: binary-git-backup-linux-x64
+          path: linux/amd64/git-backup
+      - uses: actions/download-artifact@v2
+        with:
+          name: binary-git-backup-linux-armv7
+          path: linux/arm/v7/git-backup
+      - run: find linux
+      - uses: docker/setup-qemu-action@v1
+      - uses: docker/setup-buildx-action@v1
+      - uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/chappio/git-backup
+          tags: |
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=edge,branch=main
+      - uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm/v7
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,12 @@
+FROM alpine:3
+
+ARG TARGETPLATFORM
+
+RUN apk add --no-cache libc6-compat
+
+ADD ${TARGETPLATFORM}/git-backup /
+RUN chmod +x /git-backup
+
+VOLUME /backups
+
+ENTRYPOINT ["/git-backup", "-backup.path", "/backups", "-config.file", "/backups/git-backup.yml"]