Buildg - Интерактивный отладчик для Dockerfile, с поддержкой IDE (VS Code, Emacs, Neovim и т.д.).

Source-level inspection
Breakpoints and step execution
Interactive shell on a step with your own debugigng tools
Based on BuildKit (with unmerged patches)
Supports rootless

https://github.com/ktock/buildg

👉 @devops_star