SC3013 warning: In POSIX sh, -ef is undefined.

DL3008 warning: Pin versions in apt get install. Instead of `apt-get install <package>` use `apt-get install <package>=<version>`

DL3015 info: Avoid additional packages by specifying `--no-install-recommends`

DL3013 warning: Pin versions in pip. Instead of `pip install <package>` use `pip install <package>==<version>` or `pip install --requirement <requirements file>`

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

DL3003 warning: Use WORKDIR to switch to a directory

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