code-server: rust initial release

Dockerfile

@@ -1,8 +1,27 @@
 # syntax=docker/dockerfile:1
+FROM ghcr.io/linuxserver/baseimage-alpine:3.19 as buildstage
+
+ARG MOD_VERSION
+
+RUN apk add --no-cache curl jq && \
+  if [ -z "$MOD_VERSION" ]; then \
+    MOD_VERSION=$(curl -s https://api.github.com/repos/rust-lang/rust/releases/latest | jq -r .tag_name); \
+  fi && \
+  mkdir -p /root-layer/rust-bins && \
+  SUPPORTED_PLATFORMS="x86_64-unknown-linux-musl x86_64-unknown-linux-gnu aarch64-unknown-linux-musl aarch64-unknown-linux-gnu" && \
+  for PLATFORM in $SUPPORTED_PLATFORMS; do \
+    ARCH=${PLATFORM%%-*}; \
+    MUSL_OR_GNU=${PLATFORM##*-}; \
+    RUST_BINS=/root-layer/rust-bins/rust-${ARCH}-${MUSL_OR_GNU}.tar.gz; \
+    RUST_BINS_URL=https://static.rust-lang.org/dist/rust-${MOD_VERSION}-${PLATFORM}.tar.gz; \
+    echo "Downloading rust for $PLATFORM";  \
+    curl -o $RUST_BINS -sSf $RUST_BINS_URL;  \
+  done;
+
+COPY root/ /root-layer/
 
 FROM scratch
 
-LABEL maintainer="username"
+LABEL maintainer="totraku"
 
-# copy local files
-COPY root/ /
+COPY --from=buildstage /root-layer/ /