RAILS.md

rails command

rails is available as helper inside the VM. It helps with the creation of docker containers, launching containers in read-only mode.

Usage

Start a Rails console:
(Please note that you can also just type console to start a Rails console)

rails --interactive --service console --run 'rails console' 

Start Rails app:

rails --service my-app --run 'rails server -b 0.0.0.0 -p 8080' --port 8080 -e RAILS_SERVE_STATIC_FILES=true

Start two workers on a Virtual Machine:

rails --service worker --container worker-1 --run 'rails jobs:work' --graceful-shutdown 60
rails --service worker --container worker-2 --run 'rails jobs:work' --graceful-shutdown 60

Options

Option	Description
-i --interactive	Runs container interactive, attaching a tty.
-c --container=[name]	The name of the container, defaults to --service.
-s --service=[name]	The service name, sets SERVICE ENV var inside container.
-p --port=[port]	Instruct iptables to allow traffic on this port.
-e --env=[key=value]	Set ENV variables.
-r --run=[cmd]	The command to run inside the container.
--stop-signal=[signal]	Stop signal to send during shutdown, i.e. SIGQUIT. Default is SIGTERM.
--healthcheck-port=[port]	Start healthcheck helper on port.
--graceful-shutdown=[sec]	Start graceful-shutdown helper to enable graceful shutdowns for long running processes.
--dry-run	Only print, don't execute anything.
-h --help	Help text
--verbose	Verbose output