move mounted code to fix /tmp file permissions

[pdabelf5]

Proposed changes

The OS patching on base image generation was silently failing due to a permissions errors on the /tmp file system

#124 [linux/arm64 common 1/1] RUN --mount=type=bind,target=/tmp 	--mount=type=bind,from=nginx-files,src=common.sh,target=/usr/local/bin/common.sh 	--mount=type=bind,from=nginx-files,src=patch-os.sh,target=/usr/local/bin/patch-os.sh 	patch-os.sh 	&& common.sh
#124 0.156 Patching Debian
#124 0.754 Hit:1 http://deb.debian.org/debian bookworm InRelease
#124 0.760 Hit:2 http://deb.debian.org/debian bookworm-updates InRelease
#124 0.760 Hit:3 http://deb.debian.org/debian-security bookworm-security InRelease
#124 0.811 Err:1 http://deb.debian.org/debian bookworm InRelease
#124 0.812   Couldn't create temporary file /tmp/apt.conf.bvGASO for passing config to apt-key
#124 0.825 Err:2 http://deb.debian.org/debian bookworm-updates InRelease
#124 0.825   Couldn't create temporary file /tmp/apt.conf.KePWjI for passing config to apt-key
#124 0.837 Err:3 http://deb.debian.org/debian-security bookworm-security InRelease
#124 0.837   Couldn't create temporary file /tmp/apt.conf.uTj0mw for passing config to apt-key
#124 0.925 Reading package lists...
#124 1.158 W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://deb.debian.org/debian bookworm InRelease: Couldn't create temporary file /tmp/apt.conf.bvGASO for passing config to apt-key
#124 1.158 W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://deb.debian.org/debian bookworm-updates InRelease: Couldn't create temporary file /tmp/apt.conf.KePWjI for passing config to apt-key
#124 1.158 W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://deb.debian.org/debian-security bookworm-security InRelease: Couldn't create temporary file /tmp/apt.conf.uTj0mw for passing config to apt-key
#124 1.158 W: Failed to fetch http://deb.debian.org/debian/dists/bookworm/InRelease  Couldn't create temporary file /tmp/apt.conf.bvGASO for passing config to apt-key
#124 1.159 W: Failed to fetch http://deb.debian.org/debian/dists/bookworm-updates/InRelease  Couldn't create temporary file /tmp/apt.conf.KePWjI for passing config to apt-key
#124 1.159 W: Failed to fetch http://deb.debian.org/debian-security/dists/bookworm-security/InRelease  Couldn't create temporary file /tmp/apt.conf.uTj0mw for passing config to apt-key
#124 1.159 W: Some index files failed to download. They have been ignored, or old ones used instead.
#124 1.159 E: Unable to mkstemp /tmp/clearsigned.message.Um1gn0 - GetTempFile (30: Read-only file system)
#124 1.159 E: The package lists or status file could not be parsed or opened.
#124 1.344 Reading package lists...
#124 1.526 E: Unable to mkstemp /tmp/clearsigned.message.z3xLHq - GetTempFile (30: Read-only file system)
#124 1.526 E: The package lists or status file could not be parsed or opened.

This change moves where the code is mounted to within the build stage rather than /tmp it now uses /code. This means that the /tmp filesystem has the correct permissions.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork