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Very small rust docker image.

This is an example project on how to build very small docker images for a rust project. The resulting image for a workinghello world was 5.69MB in the case of Alpine 3.16. Alpine versions have changed in size with past releases (see below a table with historic sizes of the docker images). Using end-of-life Alpine/Rust releases is not advised (even if they might be slightly smaller). Checked sizes withdocker system df -v

This repo is trying to keep the docker overhead to a minimum without sacrificing performance or the usability implications of usingFROM scratch. If you want to reduce the binary size further you might be interested injohnthagen/min-sized-rust.

You don't need to install anything besides docker. Build withdocker build -t mini-docker-rust . and run withdocker run mini-docker-rust.

SeeDockerfile.