add gunicorn to dependencies

poetry.lock

@@ -308,6 +308,27 @@ files = [
 docs = ["Sphinx", "furo"]
 test = ["objgraph", "psutil"]
 
+[[package]]
+name = "gunicorn"
+version = "21.2.0"
+description = "WSGI HTTP Server for UNIX"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+files = [
+    {file = "gunicorn-21.2.0-py3-none-any.whl", hash = "sha256:3213aa5e8c24949e792bcacfc176fef362e7aac80b76c56f6b5122bf350722f0"},
+    {file = "gunicorn-21.2.0.tar.gz", hash = "sha256:88ec8bff1d634f98e61b9f65bc4bf3cd918a90806c6f5c48bc5603849ec81033"},
+]
+
+[package.dependencies]
+packaging = "*"
+
+[package.extras]
+eventlet = ["eventlet (>=0.24.1)"]
+gevent = ["gevent (>=1.4.0)"]
+setproctitle = ["setproctitle"]
+tornado = ["tornado (>=0.2)"]
+
 [[package]]
 name = "h11"
 version = "0.14.0"
@@ -744,4 +765,4 @@ watchdog = ["watchdog (>=2.3)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "34198d1434ad589fa823c3aa2fceb1841fab758af7b3ab4c9f58df12fb1bf127"
+content-hash = "1482d2c564f9974557254367c31308306f1d822d36bd1974aff5c49b776741d9"

pyproject.toml

@@ -16,6 +16,7 @@ flask-pydantic = "^0.12.0"
 environs = "^10.3.0"
 python-magic = "^0.4.27"
 argon2-cffi = "^23.1.0"
+gunicorn = "^21.2.0"
 
 
 [build-system]