update Dockerfile

Dockerfile

@@ -1,7 +1,6 @@
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-arm64-musl AS cross-build-env
 
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net9.0-cross-arm64 AS cross-build-env
-
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:9.0 AS build-env
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:9.0-alpine AS build-env
 
 COPY --from=cross-build-env /crossrootfs /crossrootfs
 
@@ -11,9 +10,9 @@ ARG BUILDARCH
 # Configure NativeAOT Build Prerequisites 
 # https://learn.microsoft.com/en-us/dotnet/core/deploying/native-aot/?tabs=linux-alpine%2Cnet8
 # for alpine
-# RUN apk update && apk add clang build-base zlib-dev
+RUN apk update && apk add clang build-base zlib-dev
 # for debian/ubuntu
-RUN apt-get update && apt-get install -y clang zlib1g-dev binutils-aarch64-linux-gnu
+# RUN apt-get update && apt-get install -y clang zlib1g-dev binutils-aarch64-linux-gnu
 
 WORKDIR /app
 
@@ -29,12 +28,11 @@ WORKDIR /app/src/HTTPie/
 RUN if [ "${TARGETARCH}" = "${BUILDARCH}" ]; then \
       dotnet publish -f net9.0 --use-current-runtime -p:AssemblyName=http -p:TargetFrameworks=net9.0 -o /app/artifacts; \
     else \
-      dotnet publish -f net9.0 -r linux-arm64 -p:AssemblyName=http -p:TargetFrameworks=net9.0 -p:SysRoot=/crossrootfs/arm64 -p:ObjCopyName=aarch64-linux-gnu-objcopy -o /app/artifacts; \
+      apk add binutils-aarch64 --repository=https://dl-cdn.alpinelinux.org/alpine/edge/community
+      dotnet publish -f net9.0 -r linux-arm64-musl -p:AssemblyName=http -p:TargetFrameworks=net9.0 -p:SysRoot=/crossrootfs/arm64-musl -p:ObjCopyName=aarch64-linux-gnu-objcopy -o /app/artifacts; \
     fi
 
-RUN apt install -y file && file /app/artifacts/http
-
-FROM scratch
+FROM alpine
 
 # https://github.com/opencontainers/image-spec/blob/main/annotations.md
 LABEL org.opencontainers.image.authors="WeihanLi"