An existing project's json can be imported into Taiga as follows:
- Connect to taiga using the Web terminal
- Upload the project.json using the 'Upload to /tmp' button
- su cloudron
- source /app/code/taiga/bin/activate
- export DJANGO_SETTINGS_MODULE=settings.config
- cd /app/code/taiga-back
- python manage.py load_dump /tmp/project.json email@domain.com (replace the required values)