Pull the image from mcr.microsoft.com/devcontainers/

microsoft/vscode-dev-containers#1589

Author: hankei6km

.devcontainer/Dockerfile

@@ -1,6 +1,6 @@
 # [Choice] Ubuntu version (use ubuntu-22.04 or ubuntu-18.04 on local arm64/Apple Silicon): ubuntu-22.04, ubuntu-20.04, ubuntu-18.04
 ARG VARIANT=ubuntu-20.04
-FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
+FROM mcr.microsoft.com/devcontainers/base:0-${VARIANT}
 
 # [Optional] Uncomment this section to install additional OS packages.
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \