diff --git a/Dockerfile b/Dockerfile
index 0f1c93a..ee3ffe3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,8 +9,6 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 EXPOSE 5000
 
-ENV WORKERS 2
 ENV IP_API false
-ENV FLASK_ENV production
 
-ENTRYPOINT exec gunicorn -w $WORKERS -b 0.0.0.0:5000 ipget:app
+CMD ["gunicorn", "-c", "gunicorn.py", "ipget:app"]
diff --git a/docker-compose.yaml b/docker-compose.yaml
index c14fd94..b5ddd0a 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -2,12 +2,14 @@ version: '3.8'
 
 services:
   ipget:
-    image: prestigen/ipget:0.0.1
+    image: prestigen/ipget:0.0.2
     hostname: ipget
     environment:
-      - WORKERS=4
+      - GUNICORN_SERVER=    # default: ipget
+      - GUNICORN_BIND=      # default: "0.0.0.0:5000"
+      - GUNICORN_WORKERS=   # default: cores * 2 + 1
+      - GUNICORN_THREADS=   # default: 1
       - IP_API=false
-      - FLASK_ENV=production
     restart: always
 
   nginx:
diff --git a/ipget/VERSION b/ipget/VERSION
index 8acdd82..4e379d2 100644
--- a/ipget/VERSION
+++ b/ipget/VERSION
@@ -1 +1 @@
-0.0.1
+0.0.2
diff --git a/ipget/gunicorn.py b/ipget/gunicorn.py
new file mode 100644
index 0000000..6d7e7a1
--- /dev/null
+++ b/ipget/gunicorn.py
@@ -0,0 +1,9 @@
+import gunicorn
+import os
+import multiprocessing
+
+gunicorn.SERVER = os.getenv("GUNICORN_SERVER") or "ipget"
+bind = os.getenv("GUNICORN_BIND") or "0.0.0.0:5000"
+workers = os.getenv("GUNICORN_WORKERS") or multiprocessing.cpu_count() * 2 + 1
+threads = os.getenv("GUNICORN_THREADS") or 1
+disable_redirect_access_to_syslog = True
diff --git a/resources/nginx.conf b/resources/nginx.conf
index f550028..93b8242 100644
--- a/resources/nginx.conf
+++ b/resources/nginx.conf
@@ -25,6 +25,7 @@ http {
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_pass_header Server;
         }
 
     }
diff --git a/run.sh b/run.sh
index 5e3a9ad..5a74af1 100755
--- a/run.sh
+++ b/run.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-gunicorn -w ${WORKERS:-2} -b 0.0.0.0:5000 ipget.ipget:app
+gunicorn -c ipget/gunicorn.py ipget.ipget:app