Should use 1.23-bookworm to get rid of cves

[dogruis]

gosu/Dockerfile

Line 1 in 4233b79

FROM golang:1.20.5-bookworm

linked to redis/redis#13663

[tianon]

Duplicate of #136

See also #104 and https://github.com/tianon/gosu/blob/master/SECURITY.md

[dogruis]

You are closing issues that should stay open. This version of golang is more up to date than the one in your 1.17 tag.