chore: fix arg reference

rjaegers · web-flow · commit 73cfe9ac5d67 · 2025-06-02T22:02:37.000+02:00
diff --git a/.devcontainer/cpp/Dockerfile b/.devcontainer/cpp/Dockerfile
@@ -3,12 +3,12 @@ ARG DOCKER_VERSION=28.2.2
 FROM scratch AS downloader-amd64
 
 ADD --checksum=sha256:53dc06dc3f775282ddff93b2d0974bbe6480761018c61e7a797342a9c7f14e23 \
- https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz /docker.tgz
+ https://download.docker.com/linux/static/stable/x86_64/docker-$DOCKER_VERSION.tgz /docker.tgz
 
 FROM scratch AS downloader-arm64
 
 ADD --checksum=sha256:c9506628d1845c69230df3d87e2eedd7980caf8bd966f5e6a5d7a2364de42497 \
- https://download.docker.com/linux/static/stable/aarch64/docker-${DOCKER_VERSION}.tgz /docker.tgz
+ https://download.docker.com/linux/static/stable/aarch64/docker-$DOCKER_VERSION.tgz /docker.tgz
 
 FROM downloader-$TARGETARCH AS downloader
 
