[BUG:] Dockerfile pip command deprecated

[ByteOtter]

Description

Dockerfile line 22 the pip install command pip install --install-options="--prefix=/install" -r /requirements.txt seems to be deprecated. When trying to build the Docker image a lengthy error message is thrown (ref below).

Please tick the applicable box(es) regarding the kind of bug you found:

• [x] Broken feature
  • [ ] Login/Logout system
  • [ ] Database broken
  • [ ] Post-related problem
  • [ ] Unusable route
  • [x] Containerization
• [ ] UI Bug
• [ ] Wrong documentation
• [ ] Broken dependency

Additional context