sccache buster

memmos.laas.fr:5000/gepetto/buildfarm/robotpkg-base/buster/Dockerfile

 # syntax=docker/dockerfile:experimental
 FROM memmos.laas.fr:5000/gepetto/buildfarm/ros:buster
 
-COPY --from=memmos.laas.fr:5000/gepetto/buildfarm/tools:20.04 /sccache /usr/bin
+COPY --from=memmos.laas.fr:5000/gepetto/buildfarm/tools:buster /sccache /usr/bin
 ENV SCCACHE_REDIS=redis://asahi
 
 RUN --mount=type=cache,sharing=locked,target=/var/cache/apt --mount=type=cache,sharing=locked,target=/var/lib/apt \

memmos.laas.fr:5000/gepetto/buildfarm/tools/buster/Dockerfile

+FROM debian:buster as build
+
+RUN --mount=type=cache,sharing=locked,target=/var/cache/apt \
+    --mount=type=cache,sharing=locked,target=/var/lib/apt \
+    apt-get update -qqy && DEBIAN_FRONTEND=noninteractive apt-get install -qqy \
+    cargo \
+    libssl-dev \
+    pkg-config
+
+RUN --mount=type=cache,sharing=locked,target=/root/.cargo/registry \
+    cargo install \
+    sccache
+
+FROM debian:buster as final
+
+COPY --from=build /root/.cargo/bin/sccache /