single multiplatform build for shadowsockets-rust

shadowsocks-rust/Dockerfile

@@ -1,6 +1,6 @@
-FROM --platform=$BUILDPLATFORM rust:alpine3.20 AS builder
+FROM --platform=$TARGETPLATFORM rust:alpine AS builder
 
-ARG TARGETARCH VERSION
+ARG VERSION TARGETPLATFORM
 
 RUN set -x \
     && apk add --no-cache build-base cmake llvm15-dev clang15-libclang clang15 rust-bindgen git
@@ -9,7 +9,7 @@ WORKDIR /root/shadowsocks-rust
 
 RUN git clone --depth 1 --branch "v${VERSION}" https://github.com/shadowsocks/shadowsocks-rust.git .
 
-RUN case "$TARGETARCH" in \
+RUN case "$TARGETPLATFORM" in \
     "386") \
         RUST_TARGET="i686-unknown-linux-musl" \
         MUSL="i686-linux-musl" \
@@ -22,8 +22,12 @@ RUN case "$TARGETARCH" in \
         RUST_TARGET="aarch64-unknown-linux-musl" \
         MUSL="aarch64-linux-musl" \
     ;; \
+    "linux/arm/v7") \
+        RUST_TARGET="arm-unknown-linux-musleabihf" \
+        MUSL="arm-linux-musleabihf" \
+    ;; \
     *) \
-        echo "Doesn't support $TARGETARCH architecture" \
+        echo "Doesn't support $TARGETPLATFORM architecture" \
         exit 1 \
     ;; \
     esac \