Always use waitress to serve

Pipfile

@@ -19,7 +19,7 @@ mypy = "*"
 python_version = "3.7"
 
 [scripts]
-start = "python3 app/server.py"
+start = "waitress-serve app.server:app"
 test-fix = "bash ./scripts/test-fix.sh"
 test = "bash ./scripts/test.sh"
 

Procfile

@@ -1 +1 @@
-web: waitress-serve --port $PORT app.server:app
+web: pipenv run start --port $PORT

app/server.py

@@ -15,7 +15,3 @@ webhook = Webhook(app, secret=config.GITHUB_WEBHOOK_SECRET)
 @webhook.hook(event_type="ping")
 def ping(data):
     return abort(jsonify({"ping": "pong"}))
-
-
-if __name__ == "__main__":
-    app.run(host="0.0.0.0")