ci: streamline build process for multi-architecture support

- Remove `build_linux_arm` target from Makefile
- Remove `make build_linux_arm` step from Docker workflow
- Update Docker workflow to build for `linux/amd64` and `linux/arm64` platforms only

Signed-off-by: appleboy <appleboy.tw@gmail.com>

.github/workflows/docker.yml

@@ -26,7 +26,6 @@ jobs:
       - name: Build binary
         run: |
           make build_linux_amd64
-          make build_linux_arm
           make build_linux_arm64
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -64,7 +63,7 @@ jobs:
         uses: docker/build-push-action@v6
         with:
           context: .
-          platforms: linux/amd64,linux/arm,linux/arm64
+          platforms: linux/amd64,linux/arm64
           file: docker/Dockerfile
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.docker-meta.outputs.tags }}

Makefile

@@ -89,9 +89,6 @@ build_linux_amd64:
 build_linux_arm64:
 	CGO_ENABLED=0 GOOS=linux GOARCH=arm64 $(GO) build -a -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o release/linux/arm64/$(DEPLOY_IMAGE)
 
-build_linux_arm:
-	CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 $(GO) build -a -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o release/linux/arm/$(DEPLOY_IMAGE)
-
 .PHONY: deps-backend
 deps-backend:
 	$(GO) mod download