cleanup

.devcontainer/Dockerfile

@@ -4,6 +4,8 @@
 ARG VARIANT="buster"
 FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
 
+RUN sudo apt install gnupg2 -y
+
 # ** [Optional] Uncomment this section to install additional packages. **
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
 #     && apt-get -y install --no-install-recommends <your-package-list-here>