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30 lines
1.1 KiB
30 lines
1.1 KiB
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# Introduction
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When developing with a local k8s cluster, images must be made available to a local registry.
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This involves tagging the images (e.g. `localhost:5000/alpine`) and then pushing them.
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Tagging is usually done transparently by e.g. `docker compose build` and it is easy to forget
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to push the images.
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The autoproxy solves this problem by proxying for a local container registry. When an image is
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pulled it checkes whether or not the image is available in the container registry. If not, then
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it looks for the requested image in docker and does a push automatically. If the image is
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available in the registry the autoproxy checks is the images is the same as on the registry and
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if not it pushes it.
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# Usage
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A test setup is in the `compose.yaml` file. In this setup:
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* a backend registry runs which is just a regular local container registry
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* the frontend service is the proxy for the backend
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In the example setup images tagged with `localhost:5000/...` will automatically be
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pushed by the proxy in case they are requested.
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# k3d
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```
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k3d cluster create dev --registry-config registries.yaml
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```
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