1. Open foundationdb source checkout in VS Code.
2. Click "Reopen in Container". [In the popup window that mentions the Dev Container configuration.]

VS Code then warns me "You are about to connect to an OS version that is unsupported by Visual Studio Code." and includes a "Learn More" button referencing https://code.visualstudio.com/docs/remote/faq#_can-i-run-vs-code-server-on-older-linux-distributions

It seems that foundationdb/devel:centos7-latest is too old and will stop working in 6 months (February 2025):