gunicorn sample config

example-gunicorn.py

import multiprocessing

# Turn on debugging in the server. [False]
debug=True

# Install a trace function that spews every line executed by the server. [False]
spew=False

# The Access log file to write to. [None]
#accesslog='/var/log/gunicorn.access.log'

# The Access log format . [%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"]
#access_log_format='"%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"'

# Logging config file.
logconfig="/opt/example/log.conf"

# The Error log file to write to. [-]
#errorlog="/var/log/gunicorn.log"

# The granularity of Error log outputs. [info]
loglevel='debug'

# The logger you want to use to log events in gunicorn. [simple]
#logger_class='simple'

# A base to use with setproctitle for process naming. [None]
proc_name='example'

# Load application code before the worker processes are forked. [False]
preload=True

# forked. [False]
#daemon=False
daemon=True

# A filename to use for the PID file. [None]
pidfile='/var/run/example.pid'

# Switch worker processes to run as this user. [0]
user="example"

# Switch worker process to run as this group. [0]
group="example"

# A bit mask for the file mode on files written by Gunicorn. [0]
umask=0002

# The socket to bind. [127.0.0.1:8000]
bind='0.0.0.0:8000'

# The maximum number of pending connections.     [2048]
#  - Amazon Linux default=1024 ($ sysctl net.ipv4.tcp_max_syn_backlog)
backlog=2048

# The number of worker process for handling requests. [1]
workers=multiprocessing.cpu_count() * 2 + 1
#workers=1

# The type of workers to use. [sync]
worker_class='sync'

# The maximum number of simultaneous clients. [1000]
worker_connections=4098

# The maximum number of requests a worker will process before restarting. [0]
max_requests=4098

# Workers silent for more than this many seconds are killed and restarted. [30]
timeout=120

#The number of seconds to wait for requests on a Keep-Alive connection. [2]
keepalive=2

# Timeout for graceful workers restart.
graceful_timeout=30

# The maximum size of HTTP request line in bytes.
limit_request_line=0

# Limit the number of HTTP headers fields in a request.
#limit_request_fields=100

# Limit the allowed size of an HTTP request header field.
#limit_request_field_size=8190


#
# -- The remaining options
#

#check_config=False
#tmp_upload_dir=None
#SecureSchemeHeader={
#    "X-FORWARDED-PROTOCOL": "ssl",
#    "X-FORWARDED-SSL": "on"
#    }
#x_forwarded_for_header='X-FORWARDED-FOR'
#default_proc_name='gunicorn'
#django_settings=None
#pythonpath=None
#on_starting=
#on_reload=
#when_ready=
#pre_fork=
#post_fork=
#pre_exec=
#pre_request=
#post_request=
#worker_exit=