diff --git a/README.md b/README.md
index e1e9da9..9fa7375 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ pip install -r requirements.txt
 python setup.py install
 python application.py
 ```
-
+You may set BSFLASK_ENV environment variable to production, development or testing.
 ### Running Tests
 
 In the root directory, run the following command:
diff --git a/src/application.py b/src/application.py
index 1b2a3bf..68cc8bf 100644
--- a/src/application.py
+++ b/src/application.py
@@ -24,7 +24,7 @@ from src.models import db
 from src.views.errors import error_pages
 from src.views.scoreboard import scoreboard
 from src.resources.utilities import cache
-import sys
+import os
 import flask_bootstrap
 import flask
 
@@ -43,8 +43,9 @@ def create_app(config_name):
     return app
 
 try:
-    print("Running with configuration: " + sys.argv[1])
-    app = create_app(sys.argv[1])
+    configuration = os.environ['BSFLASK_ENV']
+    print("Running with configuration: " + configuration)
+    app = create_app(configuration)
 except (IndexError, KeyError):
     print("Using default configuration.")
     app = create_app('default')
diff --git a/src/gconfig.py b/src/gconfig.py
index 4ba4946..b5012cd 100644
--- a/src/gconfig.py
+++ b/src/gconfig.py
@@ -17,12 +17,24 @@
     
     This the configuration file for the GUnicorn server.
 """
-from src.config import ProductionConfig
 import multiprocessing
+import os
+
+# If BSFLASK_ENV is development or environment then gunicorn will bind to Config.APP_IP and Config.APP_PORT
+# else it will create a unix socket benchmark_scoreboard.sock that may be used by Nginx
+configuration = None
+try:
+    configuration = os.environ['BSFLASK_ENV']
+except KeyError:
+    print("Environment key BSFLASK_ENV not defined.")
+
+if configuration is not None and configuration != 'production':
+    from src.config import Config
+    bind = "{ip}:{port}".format(ip=Config.BIND_IP, port=Config.BIND_PORT)
+else:
+    bind = "unix:benchmark_scoreboard.sock"
 
-bind = "{ip}:{port}".format(ip=ProductionConfig.BIND_IP, port=ProductionConfig.BIND_PORT)
 workers = multiprocessing.cpu_count() * 2 + 1
 reload = False
-#daemon = True
-#user = "denis"
-#group = "www-data"
\ No newline at end of file
+# Allow access to name and group.
+umask = 0x007