Build for multiple architectures (#6)

.github/workflows/go.yml

@@ -1,56 +1,95 @@
 name: Build
 on: [push]
 jobs:
-  build:
+  compile:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        arch: [amd64, arm64, mips]
+        os: [darwin, linux]
+        exclude:
+          - arch: mips
+            os: darwin
     steps:
       - uses: actions/checkout@v3
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
           go-version: '1.21'
       - name: Build
-        run: go build -tags netgo,osusergo
-      - name: Format
-        run: test -z $(gofmt -l .) || (gofmt -d . && exit 1)
-      - uses: actions/upload-artifact@v4
+        run: GOOS=${{ matrix.os }} GOARCH=${{ matrix.arch }} go build -tags netgo,osusergo
+      - name: Upload binary
+        uses: actions/upload-artifact@v4
         with:
-          name: binary
+          name: binary-${{ matrix.os }}-${{ matrix.arch }}
           path: mdns2mqtt
           if-no-files-found: error
+      - name: Debian package
+        if: ${{ matrix.os == 'linux' }}
+        uses: bpicode/github-action-fpm@master
+        with:
+          fpm_opts: -s dir -t deb -n mdns2mqtt -a ${{ matrix.arch }} -v 0.0.0 mdns2mqtt=/usr/bin/mdns2mqtt
+      - name: Upload .deb package
+        uses: actions/upload-artifact@v4
+        if: ${{ matrix.os == 'linux' }}
+        with:
+          name: debian-${{ matrix.os }}-${{ matrix.arch }}
+          path: "*.deb"
+          if-no-files-found: error
       - name: Set up QEMU
+        if: ${{ matrix.os == 'linux' }}
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
+        if: ${{ matrix.os == 'linux' }}
         uses: docker/setup-buildx-action@v3
       - name: Build and load
+        if: ${{ matrix.os == 'linux' }}
         uses: docker/build-push-action@v5
         with:
           context: .
-          outputs: type=docker,dest=/tmp/image.tar
-          tags: invlid/mdns2mqtt:latest
-      - uses: actions/upload-artifact@v4
+          platforms: ${{ matrix.os }}/${{ matrix.arch }}
+          outputs: type=docker,dest=/tmp/image-${{ matrix.arch }}.tar
+          tags: invlid/mdns2mqtt:latest-${{ matrix.arch }}
+      - name: Upload Docker image
+        if: ${{ matrix.os == 'linux' }}
+        uses: actions/upload-artifact@v4
         with:
-          name: docker-image
-          path: /tmp/image.tar
+          name: docker-image-${{ matrix.arch }}
+          path: /tmp/image-${{ matrix.arch }}.tar
           if-no-files-found: error
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+      - name: Lint
+        run: test -z $(gofmt -l .) || (gofmt -d . && exit 1)
   publish:
-    needs: build
+    needs: compile
     if: github.ref == 'refs/heads/master'
     runs-on: ubuntu-latest
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v4
         with:
-          name: docker-image
+          merge-multiple: true
+          pattern: docker-image-*
           path: /tmp
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USER }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-      - name: Load image
+      - name: Set up Crane
+        uses: imjasonh/setup-crane@v0.1
+      - name: Log in to Docker registry
         run: |
-          docker load --input /tmp/image.tar
-      - name: Push image
+          crane auth login -u ${{ secrets.DOCKER_USER }} -p ${{ secrets.DOCKER_PASSWORD }} docker.io
+      - name: Push images
         run: |
-          docker push invlid/mdns2mqtt:latest
+          crane push /tmp/image-amd64.tar docker.io/invlid/mdns2mqtt:latest-amd64
+          crane push /tmp/image-arm64.tar docker.io/invlid/mdns2mqtt:latest-arm64
+          crane push /tmp/image-mips.tar docker.io/invlid/mdns2mqtt:latest-mips
+          crane index append \
+            -m docker.io/invlid/mdns2mqtt@$(crane digest --tarball /tmp/image-amd64.tar) \
+            -m docker.io/invlid/mdns2mqtt@$(crane digest --tarball /tmp/image-arm64.tar) \
+            -m docker.io/invlid/mdns2mqtt@$(crane digest --tarball /tmp/image-mips.tar) \
+            -t docker.io/invlid/mdns2mqtt:latest