something that works

app.py

@@ -6,3 +6,6 @@ def create_app():
     APP = Flask(__name__)
     scheduler = flask_apscheduler.APScheduler()
     scheduler.api_enabled = True
+    scheduler.init_app(APP)
+    scheduler.start()
+    return APP

requirements.txt

@@ -5,6 +5,7 @@ blinker==1.6.2
 click==8.1.5
 feedgenerator==2.1.0
 Flask==2.3.2
+Flask-APScheduler==1.12.4
 Flask-Migrate==4.0.4
 Flask-Scheduler==0.0.51
 Flask-SQLAlchemy==3.0.5
@@ -18,6 +19,7 @@ mypy-extensions==1.0.0
 packaging==23.1
 pathspec==0.11.1
 platformdirs==3.9.1
+python-dateutil==2.8.2
 pytz==2023.3
 six==1.16.0
 SQLAlchemy==2.0.19

start.py

@@ -4,9 +4,13 @@ from app import create_app
 
 APP = create_app()
 
+
 @APP.route("/")
-    def schedule_post():
-        return "post scheduled!"
+def schedule_post():
+    return "crunk-scheduler online!"
+
+@APP.route("/schedule", methods=["POST"])
+    return "post scheduled"
 
 if __name__ == "__main__":
-    app.run()
+    APP.run()