diff --git a/app/__init__.py b/app/__init__.py
index e5c3e9e..9961ac6 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -1,6 +1,7 @@
 import datetime
 import json
 import os
+from typing import ClassVar
 
 from flask import Flask, abort, jsonify, redirect, render_template, session, url_for
 from flask_migrate import Migrate
@@ -30,7 +31,7 @@ class Plan(db.Model):
     delete_key = db.Column(db.String)
     password_hash = db.Column(db.String, default=False)
 
-    __table_args__ = {"postgresql_partition_by": "HASH (id)"}
+    __table_args__: ClassVar[dict(str, str)] = {"postgresql_partition_by": "HASH (id)"}
 
     def as_dict(self):
         return {
diff --git a/config.py b/config.py
index 39978fb..48244eb 100644
--- a/config.py
+++ b/config.py
@@ -13,7 +13,7 @@ def str_to_bool(value: str | None) -> bool:
 DB_USER = os.environ.get("DB_USER", "postgres")
 DB_PASS = os.environ.get("DB_PASS", "postgres")
 DB_SERVICE = os.environ.get("DB_SERVICE", "0.0.0.0")
-DB_PORT = os.environ.get("DB_PORT", 5432)
+DB_PORT = os.environ.get("DB_PORT", "5432")
 SQLALCHEMY_DATABASE_URI = (
     f"postgresql://{DB_USER}:{DB_PASS}@{DB_SERVICE}:{DB_PORT}/{DB_NAME}"
 )