networks: [proxy] – this half-sentence shows up in almost every Serverküche app recipe, usually without comment. Time to explain it once, centrally. Afterwards you'll understand how containers find each other, why some don't need internet access and how Traefik reaches them at all.

Source: [Dev.to](https://dev.to/serverkueche/understanding-docker-networks-bridge-internal-dns-the-proxy-network-5856)

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