From b9df7ef4f5b697cd7978e0d560c642f6cd72a611 Mon Sep 17 00:00:00 2001
From: clux <sszynrae@gmail.com>
Date: Sat, 11 Mar 2023 10:57:44 +0000
Subject: [PATCH] Use sparse registries

Signed-off-by: clux <sszynrae@gmail.com>
---
 Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index a202465..c6c9b31 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,7 +38,9 @@ RUN apt-get update && apt-get install -y \
 # Install rust using rustup
 ARG CHANNEL
 ENV RUSTUP_VER="1.25.1" \
-    RUST_ARCH="x86_64-unknown-linux-gnu"
+    RUST_ARCH="x86_64-unknown-linux-gnu" \
+    CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
+
 RUN curl "https://static.rust-lang.org/rustup/archive/${RUSTUP_VER}/${RUST_ARCH}/rustup-init" -o rustup-init && \
     chmod +x rustup-init && \
     ./rustup-init -y --default-toolchain ${CHANNEL} --profile minimal --no-modify-path && \