Docker improvements (#3042)

* Simplified dockerfile

- Changed from alpine to python:slim
- Removed some database libs (because we *connect* to a db, not host it)

* - Add gettext as required package
- Only create inventree user as part of production build (leave admin access for dev build)

* Tweaks for tasks.py

* Fix user permissions (drop to inventree user)

* Drop to the 'inventree' user level as part of init.sh

- As we have mounted volumes at 'run time' we need to ensure that the inventree user has correct permissions!
- Ref: https://stackoverflow.com/questions/39397548/how-to-give-non-root-user-in-docker-container-access-to-a-volume-mounted-on-the

* Adjust user setup

- Only drop to non-root user as part of "production" build
- Mounted external volumes make it tricky when in the dev build
- Might want to revisit this later on

* More dockerfile changes

- reduce required system packages
-

* Add new docker github workflow

* Print some more debug

* GITHUB_BASE_REF

* Add gnupg to base requirements

* Improve debug output during testing

* Refactoring updates for label printing API

- Update weasyprint version to 55.0
- Generate labels as pdf files
- Provide filename to label printing plugin
- Additional unit testing
- Improve extraction of some hidden debug data during TESTING
- Fix a spelling mistake (notifaction -> notification)

* Working on github action

* More testing

* Add requirement for pdf2image

* Fix label printing plugin and update unit testing

* Add required packages for CI

* Move docker files to the top level directory

- This allows us to build the production image directly from soure
- Don't need to re-download the source code from github
- Note: The docker install guide will need to be updated!

* Fix for docker ci file

* Print GIT SHA

* Bake git information into the production image

* Add some exta docstrings to dockerfile

* Simplify version check script

* Extract git commit info

* Extract docker tag from check_version.py

* Newline

* More work on the docker workflow

* Dockerfile fixes

- Directory / path issues

* Dockerfile fixes

- Directory / path issues

* Ignore certain steps on a pull request

* Add poppler-utils to CI

* Consolidate version check into existing CI file

* Don't run docker workflow on pull request

* Pass docker image tag through to the build

Also check .j2k files

* Add supervisord.conf example file back in

* Remove --no-cache-dir option from pip install

requirements.txt

@@ -29,16 +29,16 @@ django-sslserver==0.22                  # Secure HTTP development server
 django-stdimage==5.1.1                  # Advanced ImageField management
 django-test-migrations==1.1.0           # Unit testing for database migrations
 django-user-sessions==1.7.1             # user sessions in DB
-django-weasyprint==1.0.1                # django weasyprint integration
+django-weasyprint==2.1.0                # django weasyprint integration
 djangorestframework==3.12.4             # DRF framework
 django-xforwardedfor-middleware==2.0    # IP forwarding metadata
 flake8==3.8.3                           # PEP checking
 flake8-docstrings==1.6.0                # docstring format testing
 gunicorn>=20.1.0                        # Gunicorn web server
 importlib_metadata                      # Backport for importlib.metadata
-inventree                               # Install the latest version of the InvenTree API python library
 isort==5.10.1                           # DEV: python import sorting
 markdown==3.3.4                         # Force particular version of markdown
+pdf2image==1.16.0                       # PDF to image conversion
 pep8-naming==0.11.1                     # PEP naming convention extension
 pre-commit==2.19.0                      # Git pre-commit
 pillow==9.1.0                           # Image manipulation
@@ -48,4 +48,4 @@ python-barcode[images]==0.13.1          # Barcode generator
 qrcode[pil]==6.1                        # QR code generator
 rapidfuzz==0.7.6                        # Fuzzy string matching
 tablib[xls,xlsx,yaml]                   # Support for XLS and XLSX formats
-weasyprint==52.5                        # PDF generation library (Note: in the future need to update to 53)
+weasyprint==55.0                        # PDF generation library