old_contents: # URL Format: dialect+driver://username:password@host:port/database
  # SQLite:     sqlite://<nohostname>/<path>
  # See: http://docs.sqlalchemy.org/en/latest/core/engines.html
  SQLALCHEMY_DATABASE_URI = 'sqlite:///../database.db'
  
  # The folder where uploaded images should be put into. Remember that on
  # production files from inside there should be served by web server on
  # static files URL (by default /files, see initialization of Flask class in
  # tsserver/__init__.py for that)
  PHOTOS_UPLOAD_FOLDER = '../files'
  
  # Allowed extensions for photos
  PHOTOS_ALLOWED_EXTENSIONS = {'jpg', 'jpeg'}
  
new_contents: # Please note that relative paths are relative to 'app root' directory,
  # i.e. tsserver/, not the one with runserver.py
  
  # URL Format: dialect+driver://username:password@host:port/database
  # SQLite:     sqlite://<nohostname>/<path>
  # See: http://docs.sqlalchemy.org/en/latest/core/engines.html
  SQLALCHEMY_DATABASE_URI = 'sqlite:///../database.db'
  
  # The folder where uploaded images should be put into. Remember that on
  # production files from inside there should be served by web server on
  # static files URL (by default /files, see initialization of Flask class in
  # tsserver/__init__.py for that)
  PHOTOS_UPLOAD_FOLDER = '../files'
  
  # Allowed extensions for photos
  PHOTOS_ALLOWED_EXTENSIONS = {'jpg', 'jpeg'}
  
subject: Add note about relative paths in config.py