Question 81379 in Docker Question posted in
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Know domain name called from docker-compose download step

how could I know which domain are used for the download of my docker image ?

I need it cause the server I’m using only a allow a specific list of domain name for outside traffic.

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  1. Chosen as BEST ANSWER
    0

    Ended up using wireshark to capture every dns package, and look up the domain name present.


  2. 0

    If you pull an image by simply using its name (e.g.docker pull postgres), the image probably comes from Docker Hub. Otherwise the registry you’re pulling the image from will be listed (e.g. docker pull quay.io/keycloak/keycloak:20.0.1)

    Docker Documentation

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