Docs Self-Managed Reference rpk Commands rpk connect rpk connect blobl server rpk connect blobl server Run a web server that provides an interactive application for writing and testing Bloblang mappings. Usage rpk connect blobl server [command options] [arguments...] Flags Value Type Description --host - The host to bind to (default: "localhost"). --port, -p - The port to bind to (default: "4195"). --no-open, -n - Do not open the app in the browser automatically (default: false). --mapping-file, -m - An optional path to a mapping file to load as the initial mapping within the app. --input-file, -i - An optional path to an input file to load as the initial input to the mapping within the app. --write, -w - When editing a mapping or input file, write changes made back to the respective source file. If the file does not exist, it is created (default: false). --help, -h - When editing a mapping or input file, write changes made back to the respective source file. If the file does not exist, it is created (default: false). Back to top × Simple online edits For simple changes, such as fixing a typo, you can edit the content directly on GitHub. Edit on GitHub Or, open an issue to let us know about something that you want us to change. Open an issue Contribution guide For extensive content updates, or if you prefer to work locally, read our contribution guide . Was this helpful? thumb_up thumb_down group Ask in the community mail Share your feedback group_add Make a contribution rpk connect rpk connect create