update gunicorn config

gunicorn_config.py

@@ -1,12 +1,11 @@
 import os
-import socket
 import sys
 import traceback
-
+import multiprocessing
-import eventlet
 import gunicorn
 
-workers = 5
+# Let gunicorn figure out the right number of workers
+workers = multiprocessing.cpu_count() * 2 + 1
 worker_class = "eventlet"
 bind = "0.0.0.0:{}".format(os.getenv("PORT"))
 disable_redirect_access_to_syslog = True
@@ -19,19 +18,21 @@ def worker_abort(worker):
         worker.log.error("".join(traceback.format_stack(stack)))
 
 
-def fix_ssl_monkeypatching():
+# This issue is fixed in the 22.0.0 release, which we are using
-    """
+# See github issue for details
-    eventlet works by monkey-patching core IO libraries (such as ssl) to be non-blocking. However, there's currently
+# def fix_ssl_monkeypatching():
-    a bug: In the normal socket library it may throw a timeout error as a `socket.timeout` exception. However
+#     """
-    eventlet.green.ssl's patch raises an ssl.SSLError('timed out',) instead. redispy handles socket.timeout but not
+#     eventlet works by monkey-patching core IO libraries (such as ssl) to be non-blocking. However, there's currently
-    ssl.SSLError, so we solve this by monkey patching the monkey patching code to raise the correct exception type
+#     a bug: In the normal socket library it may throw a timeout error as a `socket.timeout` exception. However
-    :scream:
+#     eventlet.green.ssl's patch raises an ssl.SSLError('timed out',) instead. redispy handles socket.timeout but not
-    https://github.com/eventlet/eventlet/issues/692
+#     ssl.SSLError, so we solve this by monkey patching the monkey patching code to raise the correct exception type
-    """
+#     :scream:
-    # this has probably already been called somewhere in gunicorn internals, however, to be sure, we invoke it again.
+#     https://github.com/eventlet/eventlet/issues/692
-    # eventlet.monkey_patch can be called multiple times without issue
+#     """
-    eventlet.monkey_patch()
+#     # this has probably already been called somewhere in gunicorn internals, however, to be sure, we invoke it again.
-    eventlet.green.ssl.timeout_exc = socket.timeout
+#     # eventlet.monkey_patch can be called multiple times without issue
+#     eventlet.monkey_patch()
+#     eventlet.green.ssl.timeout_exc = socket.timeout
 
 
-fix_ssl_monkeypatching()
+# fix_ssl_monkeypatching()