Merge pull request #1627 from alphagov/async-workers

Use eventlet workers for gunicorn

gunicorn_config.py

@@ -1,6 +1,13 @@
+import os
 import sys
 import traceback
 
+workers = 5
+worker_class = "eventlet"
+worker_connections = 256
+errorlog = "/home/vcap/logs/gunicorn_error.log"
+bind = "0.0.0.0:{}".format(os.getenv("PORT"))
+
 
 def on_starting(server):
     server.log.info("Starting Notifications API")

manifest-api-base.yml

@@ -1,7 +1,7 @@
 ---
 
 buildpack: python_buildpack
-command: scripts/run_app_paas.sh gunicorn -c /home/vcap/app/gunicorn_config.py --error-logfile /home/vcap/logs/gunicorn_error.log -w 5 -b 0.0.0.0:$PORT application
+command: scripts/run_app_paas.sh gunicorn -c /home/vcap/app/gunicorn_config.py application
 services:
   - notify-db
 env:

requirements.txt

@@ -8,6 +8,7 @@ Flask-Migrate==2.1.1
 Flask-SQLAlchemy==2.3.2
 Flask==0.12.2
 click-datetime==0.2
+eventlet==0.22.0
 gunicorn==19.7.1
 iso8601==0.1.12
 jsonschema==2.6.0