gunicorn_config.py

import multiprocessing
import os

# Server socket
bind = os.getenv('GUNICORN_BIND', '0.0.0.0:8000')
backlog = 2048

# Worker processes
workers = os.getenv('GUNICORN_WORKERS', multiprocessing.cpu_count() * 2 + 1)
worker_class = 'sync'
worker_connections = 1000
timeout = 30
keepalive = 2

# Logging
accesslog = '-'
errorlog = '-'
loglevel = 'info'

# Process naming
proc_name = 'climate-monitor'

# Server mechanics
daemon = False
pidfile = 'gunicorn.pid'
umask = 0
user = None
group = None
tmp_upload_dir = None

# SSL
keyfile = None
certfile = None

# Server hooks
def on_starting(server):
    """Called just before the master process is initialized."""
    pass

def on_reload(server):
    """Called to recycle workers during a reload via SIGHUP."""
    pass

def when_ready(server):
    """Called just after the server is started."""
    pass

def post_fork(server, worker):
    """Called just after a worker has been forked."""
    server.log.info("Worker spawned (pid: %s)", worker.pid)

def pre_fork(server, worker):
    """Called just prior to forking the worker."""
    pass

def pre_exec(server):
    """Called just prior to forking off a secondary master process during things like config reloading."""
    pass

def worker_int(worker):
    """Called just after a worker exited on SIGINT or SIGQUIT."""
    pass

def worker_abort(worker):
    """Called when a worker received the SIGABRT signal."""
    pass

def worker_exit(server, worker):
    """Called just after a worker has been exited, in the worker process."""
    pass