build docker

.forgejo/workflows/build-docker.yml

@@ -0,0 +1,47 @@
+on:
+  push:
+
+jobs:
+  docker:
+    runs-on: any
+    steps:
+      - name: Set up qemu for buildx
+        uses: docker/setup-qemu-action@v3
+      - name: Setup buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+      - name: Login
+        uses: docker/login-action@v3
+        with:
+          registry: git.ronmi.tw
+          username: ronmi
+          password: ${{ secrets.PACKAGE_PUSH_KEY }}
+      - name: Setup go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.23"
+      - name: Build arm64 binary
+        run: GOARCH=arm64 go build
+      - name: Build arm64 image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/arm64
+          push: true
+          pull: true
+          tags: git.ronmi.tw/ronmi/forgejo-pages:arm64
+      - name: Build amd64 binary
+        run: GOARCH=amd64 go build
+      - name: Build amd64 image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64
+          push: true
+          pull: true
+          tags: git.ronmi.tw/ronmi/forgejo-pages:amd64
+      - name: Create multiarch image
+        run: docker buildx imagetools create -t git.ronmi.tw/ronmi/forgejo-pages git.ronmi.tw/ronmi/forgejo-pages:arm64 git.ronmi.tw/ronmi/forgejo-pages:amd64
+          
+