use ghcr

Author: marcoieni

src/ci/docker/host-x86_64/x86_64-fuchsia/Dockerfile

@@ -2,7 +2,7 @@
 # Fuchsia as an integration test of the toolchain. See the build-fuchsia.sh
 # script in this directory for more details.
 
-FROM ubuntu:22.04
+FROM ghcr.io/marcoieni/ubuntu:22.04
 
 ARG DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y --no-install-recommends \

src/ci/docker/run.sh

@@ -285,7 +285,7 @@ args="$args --privileged"
 # read/written as the same user as the bare-metal user.
 if [ -f /.dockerenv ]; then
   echo "Dockerenv detected. We are in docker-in-docker scenario."
-  docker create -v /checkout --name checkout alpine:3.4 /bin/true
+  docker create -v /checkout --name checkout ghcr.io/marcoieni/alpine:3.4 /bin/true
   docker cp . checkout:/checkout
   args="$args --volumes-from checkout"
 else