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Update development.md

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docs/docker/development.md
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@ -7,7 +7,10 @@ Normally, you'd rebuild your images from scratch with `docker-compose build` (or
this takes way too long for development. It has to copy the entire repo to each image and rebuild it there.
The `docker-compose.dev.yml` file bypasses this problem by mounting binaries, startup scripts, and other data to
special, slimmed down images (of which the Dockerfile is usually defined in `<service>/debug/Dockerfile`).
special, slimmed down images (of which the Dockerfile is usually defined in `<service>/debug/Dockerfile`).
These dev images will use your _locally built code_, so you'll need to build locally with gradle first
(and every time you want to update the instance). Building locally should be much faster than building on Docker.
We highly recommend you just invoke the `docker/dev.sh` script we've included. It is pretty small if you want to read it
to see what it does, but it ends up using our `docker-compose.dev.yml` file.