DL4006 warning: Set the SHELL option -o pipefail before RUN with a pipe in it. If you are using /bin/sh in an alpine image or if your shell is symlinked to busybox then consider explicitly setting your SHELL to /bin/ash, or disable this check

SC2086 info: Double quote to prevent globbing and word splitting.

DL3018 warning: Pin versions in apk add. Instead of `apk add <package>` use `apk add <package>=<version>`

DL3018 warning: Pin versions in apk add. Instead of `apk add <package>` use `apk add <package>=<version>`

SC2059 info: Don't use variables in the printf format string. Use printf '..%s..' "$foo".