Use preload in gunicorn

BookingSystem/app.py

@@ -127,14 +127,13 @@ def debug_login() -> flask.Response:
     Compress(app)
     Minify(app, static=False, go=False)  # Some static files don't minify well (breaks JS)
 
-    init_db()
-    Settings.verify_settings_exist()
-    start_routine()
-
     return app
 
 
 app = create_app()
+init_db()
+Settings.verify_settings_exist()
+start_routine()  # Will not run if TESTING is set to True in the environment variables
 
 if __name__ == '__main__':
     app.run(host='0.0.0.0')

BookingSystem/routine_tasks.py

@@ -39,17 +39,11 @@ def _routine_backup():
 
 
 def start_routine():
+    # Skip routine tasks in testing environment
     if os.getenv('TESTING', 'false').lower() == 'true':
         logger.info("Skipping routine tasks in testing environment")
         return
 
-    if os.path.exists('/tmp/feideutstyrbase.pid'):
-        with open('/tmp/feideutstyrbase.pid', 'r') as f:
-            pid = int(f.read())
-        if os.getpid() != pid:
-            logger.info("Skipping routine tasks on worker process")
-            return
-
     def _task(job_func):
         try:
             job_func()

entrypoint.sh

@@ -10,7 +10,7 @@ run_app() {
     cp -r /overrides/* /app;
   fi
 
-  gunicorn --bind 0.0.0.0:5000 -t 60 -p /tmp/feideutstyrbase.pid app:app &
+  gunicorn --bind 0.0.0.0:5000 -t 60 -p /tmp/feideutstyrbase.pid --preload app:app &
   PID=$!
   wait $PID
 }