diff --git a/deploy/nginx/nginx.conf b/deploy/nginx/nginx.conf
index 81ff345..71060e1 100644
--- a/deploy/nginx/nginx.conf
+++ b/deploy/nginx/nginx.conf
@@ -43,18 +43,18 @@ http {
         include http_locations.conf;
     }
 
-    server {
-        listen 1443 ssl http2 default_server;
-        server_name _;
-        ssl_certificate /data/ssl/server.crt;
-        ssl_certificate_key /data/ssl/server.key;
-        ssl_protocols TLSv1.2;
-        ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
-        ssl_prefer_server_ciphers on;
-        ssl_session_cache shared:SSL:10m;
+    # server {
+    #     listen 1443 ssl http2 default_server;
+    #     server_name _;
+    #     ssl_certificate /data/ssl/server.crt;
+    #     ssl_certificate_key /data/ssl/server.key;
+    #     ssl_protocols TLSv1.2;
+    #     ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
+    #     ssl_prefer_server_ciphers on;
+    #     ssl_session_cache shared:SSL:10m;
 
-        include https_locations.conf;
-    }
+    #     include https_locations.conf;
+    # }
 
 }
 
diff --git a/oj/dev_settings.py b/oj/dev_settings.py
index f79cc87..8bc626d 100644
--- a/oj/dev_settings.py
+++ b/oj/dev_settings.py
@@ -5,19 +5,19 @@ from utils.shortcuts import get_env
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'HOST': get_env('POSTGRES_HOST', '127.0.0.1'),
-        'PORT': get_env('POSTGRES_PORT', '5435'),
-        'NAME': get_env('POSTGRES_DB', 'onlinejudge'),
-        'USER': get_env('POSTGRES_USER', 'onlinejudge'),
-        'PASSWORD': get_env('POSTGRES_PASSWORD', 'onlinejudge')
+    "default": {
+        "ENGINE": "django.db.backends.postgresql_psycopg2",
+        "HOST": get_env("POSTGRES_HOST", "127.0.0.1"),
+        "PORT": get_env("POSTGRES_PORT", "5435"),
+        "NAME": get_env("POSTGRES_DB", "onlinejudge"),
+        "USER": get_env("POSTGRES_USER", "onlinejudge"),
+        "PASSWORD": get_env("POSTGRES_PASSWORD", "onlinejudge"),
     }
 }
 
 REDIS_CONF = {
-    'host': get_env('REDIS_HOST', '127.0.0.1'),
-    'port': get_env('REDIS_PORT', '6380')
+    "host": get_env("REDIS_HOST", "127.0.0.1"),
+    "port": get_env("REDIS_PORT", "6380"),
 }
 
 
diff --git a/oj/production_settings.py b/oj/production_settings.py
index e1bcde8..f98838b 100644
--- a/oj/production_settings.py
+++ b/oj/production_settings.py
@@ -1,23 +1,23 @@
 from utils.shortcuts import get_env
 
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'HOST': get_env("POSTGRES_HOST", "oj-postgres"),
-        'PORT': get_env("POSTGRES_PORT", "5432"),
-        'NAME': get_env("POSTGRES_DB"),
-        'USER': get_env("POSTGRES_USER"),
-        'PASSWORD': get_env("POSTGRES_PASSWORD")
+    "default": {
+        "ENGINE": "django.db.backends.postgresql_psycopg2",
+        "HOST": get_env("POSTGRES_HOST", "oj-postgres"),
+        "PORT": get_env("POSTGRES_PORT", "5432"),
+        "NAME": get_env("POSTGRES_DB"),
+        "USER": get_env("POSTGRES_USER"),
+        "PASSWORD": get_env("POSTGRES_PASSWORD"),
     }
 }
 
 REDIS_CONF = {
     "host": get_env("REDIS_HOST", "oj-redis"),
-    "port": get_env("REDIS_PORT", "6379")
+    "port": get_env("REDIS_PORT", "6379"),
 }
 
 DEBUG = False
 
-ALLOWED_HOSTS = ['*']
+ALLOWED_HOSTS = ["*"]
 
 DATA_DIR = "/data"