Usage: /usr/bin/gosu user-spec command [args] eg: /usr/bin/gosu tianon bash /usr/bin/gosu nobody:root bash -c 'whoami && id' /usr/bin/gosu 1000:1 id /usr/bin/gosu version: 1.20 (go1.27.3 on linux/amd64; gc) /usr/bin/gosu license: Apache-2.0 (full text at https://github.com/tianon/gosu)