Configuring Piku via ENV

You can configure deployment settings by placing special variables in an ENV file deployed with your app.

Runtime Settings

AUTO_RESTART: Piku will restart all workers every time the app is deployed.

Python

PYTHON_VERSION (int): Forces Python 3

Node

NODE_VERSION: installs a particular version of node for your app if nodeenv is found on the path.

Note: you will need to stop and re-deploy the app to change the node version in a running app.

Network Settings

BIND_ADDRESS: IP address to which your app will bind (typically 127.0.0.1)
PORT: TCP port for your app to listen in (if deploying your own web listener).

uWSGI Settings

UWSGI_MAX_REQUESTS (integer): set the max-requests option to determine how many requests a worker will receive before it's recycled.
UWSGI_LISTEN (integer): set the listen queue size.
UWSGI_PROCESSES (integer): set the processes count.
UWSGI_ENABLE_THREADS (boolean): set the enable-threads option.
UWSGI_LOG_MAXSIZE (integer): set the log-maxsize.
UWSGI_LOG_X_FORWARDED_FOR (boolean): set the log-x-forwarded-for option.
UWSGI_GEVENT: enable the Python 2 gevent plugin
UWSGI_ASYNCIO: enable the Python 2/3 asyncio plugin
UWSGI_INCLUDE_FILE: a uwsgi config file in the app's dir to include - useful for including custom uwsgi directives.

Nginx Settings

NGINX_SERVER_NAME: set the virtual host name associated with your app
NGINX_CLOUDFLARE_ACL (boolean): activate an ACL allowing access only from Cloudflare IPs
NGINX_STATIC_PATHS: set an array of /url:path values
NGINX_HTTPS_ONLY: tell nginx to auto-redirect non-SSL traffic to SSL site
NGINX_INCLUDE_FILE: a file in the app's dir to include in nginx config server section - useful for including custom nginx directives.
NGINX_ALLOW_GIT_FOLDERS: (boolean) allow access to .git folders (default: false, blocked)