try: use gunicorn wsgi server

manage.py

@@ -9,6 +9,7 @@ import waitress
 import bjoern
 import mimetypes
 import setproctitle
+import gunicorn.app.base
 
 from flask_jwt_extended import (
     create_access_token,
@@ -229,6 +230,28 @@ def print_memory_usage(response: Response):
     return response
 
 
+class StandaloneApplication(gunicorn.app.base.BaseApplication):
+    def __init__(self, app, options=None):
+        self.options = options or {}
+        self.application = app
+        super().__init__()
+
+    def load_config(self):
+        if not self.cfg:
+            return
+
+        config = {
+            key: value
+            for key, value in self.options.items()
+            if key in self.cfg.settings and value is not None
+        }
+        for key, value in config.items():
+            self.cfg.set(key.lower(), value)
+
+    def load(self):
+        return self.application
+
+
 if __name__ == "__main__":
     load_into_mem()
     run_swingmusic()
@@ -247,4 +270,12 @@ if __name__ == "__main__":
     #     ipv4=True,
     # )
     # app.run(host=host, port=port, debug=False)
-    bjoern.run(app, host, port)
+    # bjoern.run(app, host, port)
+
+    options = {
+        "bind": f"{host}:{port}",
+        "workers": 1,
+        "threads": 100,
+        "timeout": 0,
+    }
+    StandaloneApplication(app, options).run()

pyproject.toml

@@ -34,6 +34,7 @@ dependencies = [
     "flask-openapi3==3.0.2",
     "rapidfuzz==3.11.0",
     "bjoern>=3.2.2",
+    "gunicorn>=23.0.0",
 ]
 
 [dependency-groups]

uv.lock

@@ -498,6 +498,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/ac/38/08cc303ddddc4b3d7c628c3039a61a3aae36c241ed01393d00c2fd663473/greenlet-3.1.1-cp313-cp313t-musllinux_1_1_x86_64.whl", hash = "sha256:411f015496fec93c1c8cd4e5238da364e1da7a124bcb293f085bf2860c32c6f6", size = 1142112 },
 ]
 
+[[package]]
+name = "gunicorn"
+version = "23.0.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "packaging" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/34/72/9614c465dc206155d93eff0ca20d42e1e35afc533971379482de953521a4/gunicorn-23.0.0.tar.gz", hash = "sha256:f014447a0101dc57e294f6c18ca6b40227a4c90e9bdb586042628030cba004ec", size = 375031 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/cb/7d/6dac2a6e1eba33ee43f318edbed4ff29151a49b5d37f080aad1e6469bca4/gunicorn-23.0.0-py3-none-any.whl", hash = "sha256:ec400d38950de4dfd418cff8328b2c8faed0edb0d517d3394e457c317908ca4d", size = 85029 },
+]
+
 [[package]]
 name = "idna"
 version = "3.10"
@@ -1220,6 +1232,7 @@ dependencies = [
     { name = "flask-cors" },
     { name = "flask-jwt-extended" },
     { name = "flask-openapi3" },
+    { name = "gunicorn" },
     { name = "locust" },
     { name = "memory-profiler" },
     { name = "pendulum" },
@@ -1256,6 +1269,7 @@ requires-dist = [
     { name = "flask-cors", specifier = ">=3.0.10" },
     { name = "flask-jwt-extended", specifier = ">=4.6.0" },
     { name = "flask-openapi3", specifier = "==3.0.2" },
+    { name = "gunicorn", specifier = ">=23.0.0" },
     { name = "locust", specifier = ">=2.20.1" },
     { name = "memory-profiler", specifier = ">=0.61.0" },
     { name = "pendulum", specifier = ">=3.0.0" },