Dockerised. Restructured to remove circular import

Moved most of app definitions out of guard function to use wsgi
Updated configuration files and referencing of .env values.
Local version needs dotenv or exporting of env variables.
Dockerised version works fine without load_dotenv.
Ready to test now!

ref-test/admin/models/tests.py

@@ -6,10 +6,10 @@ import secrets
 import os
 from json import dump, loads
 
-from main import app, db
 from common.security import encrypt
 
 class Test:
+    
     def __init__(self, _id=None, start_date=None, expiry_date=None, time_limit=None, creator=None, dataset=None):
         self._id = _id
         self.start_date = start_date
@@ -19,6 +19,7 @@ class Test:
         self.dataset = dataset
     
     def create(self):
+        from main import app, db
         test = {
             '_id': self._id,
             'date_created': datetime.today(),
@@ -41,6 +42,7 @@ class Test:
         return jsonify({'error': f'Could not create exam. An error occurred.'}), 400
 
     def add_time_adjustment(self, time_adjustment):
+        from main import db
         user_code = secrets.token_hex(3).upper()
         adjustment = {
             user_code: time_adjustment
@@ -51,6 +53,7 @@ class Test:
         return jsonify({'error': 'Failed to add the time adjustment. An error occurred.'}), 400
 
     def remove_time_adjustment(self, user_code):
+        from main import db
         if db.tests.find_one_and_update({'_id': self._id}, {'$unset': {f'time_adjustments.{user_code}': {}}}):
             message = 'Time adjustment has been deleted.'
             flash(message, 'success')
@@ -64,6 +67,7 @@ class Test:
         return test_code.replace('—', '')
     
     def delete(self):
+        from main import app, db
         test = db.tests.find_one({'_id': self._id})
         if 'entries' in test:
             if test['entries']:
@@ -83,6 +87,7 @@ class Test:
         return jsonify({'error': f'Could not create exam. An error occurred.'}), 400
 
     def update(self):
+        from main import db
         test = {}
         updated = []
         if not self.start_date == '' and self.start_date is not None: