Could crystal static build to single binary?

[vlazar]

Yes, see docs Redirecting...

And this answer

Executable wont run on computer without libraries installed

You can build statically linked programs in Crystal but now it only works on Alpine Linux. You can install Docker for Mac and use https://hub.docker.com/r/jrei/crystal-alpine for building statically linked apps. Basically in addition to Crystal itself you install all required libraries in Docker https://github.com/j8r/dockerfiles/blob/master/crystal-alpine/Dockerfile#L6-L22 Then use crystal build --static ... to build statically linked application. After that you can copy your single binary t…