local development

[Iqbal Hossain]

Its annoying to build and run the project after each change. why can't I configure it with air? anyone can answer?

[Albert Garcia]

Iqbal,

You can use KrakenD’s Hot Reload feature to avoid rebuilding and restarting manually after each change. The :watch Docker tag watches your config files and restarts KrakenD automatically when they change, which fits exactly your use case.

To use it, you need to build the :watch image yourself (only for the open source edition) via this repo: https://github.com/krakend/krakend-watch

Clone it, then:

docker build -t krakend:watch .

Run it mounting your config folder, for example:

docker run --rm -v "$PWD:/etc/krakend" krakend:watch

There are environment variables to enable flexible configuration if you use those.

Heads up: this feature is only recommended for development. It lacks graceful shutdown, causes some performance loss, and can fail to restart if config is invalid. So it’s not made for production, where config changes should go through version control and CI/CD pipelines.

Check the official docs for detailed setup and usage: https://www.krakend.io/docs/developer/hot-reload/

Best,

	Albert Garcia CSO

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El dom, 27 jul 2025 a las 17:15, Iqbal Hossain (<zafar....@gmail.com>) escribió:

Its annoying to build and run the project after each change. why can't I configure it with air? anyone can answer?

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[Iqbal Hossain]

Albert,

Thanks a bunch! I run a go community with over 2k gophers. We have open source projects. We are still very very young. It's the only go community in Bangladesh. I am the creator of the community. We are planning to use krakenD as a gateway and hoping to contribute to it!

Wish us luck! and also if you like you can just come say a Hi! the server would be boosted up!
https://discord.gg/6CPWcB6QNx