Support linux platform for docker no matter what platform the host is (…

…#769)

Makefile

@@ -91,7 +91,7 @@ build_docker:
  -v ${GO_PATH}:/gopath -v ${MKFILE_DIR}:/egsrc -v ${MKFILE_DIR}build/cache:/gocache \
  -e GOPROXY=https://goproxy.io,direct -e GOCACHE=/gocache -e GOPATH=/gopath \
  megaease/golang:1.19-alpine make build DOCKER=true
- docker build -t ${IMAGE_NAME}:${RELEASE} -f ./build/package/Dockerfile .
+ docker buildx build --platform linux/amd64 --load -t ${IMAGE_NAME}:${RELEASE} -f ./build/package/Dockerfile .
  docker tag ${IMAGE_NAME}:${RELEASE} ${IMAGE_NAME}:latest
  docker tag ${IMAGE_NAME}:latest ${IMAGE_NAME}:server-sidecar
  docker tag ${IMAGE_NAME}:latest ${IMAGE_NAME}:easemesh