Files
kamal/lib/kamal/commands/app/proxy.rb
Donal McBreen 354530f3b8 Maintenance mode
Adds support for maintenance mode to Kamal.

There are two new commands:
- `kamal app maintenance` - puts the app in maintenance mode
- `kamal app live` - puts the app back in live mode

In maintenance mode, the kamal proxy will respond to requests with a
503 status code. It will use an error page built into kamal proxy.

You can use your own error page by setting `error_pages_path` in the
configuration. This will copy any 4xx.html or 5xx.html files from that
page to a volume mounted into the proxy container.
2025-04-17 09:11:21 +01:00

29 lines
663 B
Ruby

module Kamal::Commands::App::Proxy
delegate :proxy_container_name, to: :config
def deploy(target:)
proxy_exec :deploy, role.container_prefix, *role.proxy.deploy_command_args(target: target)
end
def remove
proxy_exec :remove, role.container_prefix
end
def live
proxy_exec :resume, role.container_prefix
end
def maintenance(**options)
proxy_exec :stop, role.container_prefix, *role.proxy.stop_command_args(**options)
end
def remove_proxy_app_directory
remove_directory config.proxy_app_directory
end
private
def proxy_exec(*command)
docker :exec, proxy_container_name, "kamal-proxy", *command
end
end