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Show HN: Docker.hostip.dev – Access localhost from Docker on Mac, Linux, windows

• aaronedam 7y ago
  While Docker is already offering 'host.docker.internal', what is the reason for this blog post?
  • aussieguy1234 7y ago
    host.docker.internal does not work on a Linux host. For other OSes the hostnames provided by Docker are inconsistent, i.e. docker.for.mac.localhost This just provides a cross platform hostname that you can use on any OS.
• fulafel 7y ago
  A lot of developers are confused about the loopback address (aka localhost). This product name/description seems to build on it and so seems a little cynical?
  • aussieguy1234 7y ago
    Accessing "localhost" in a Docker container will send you to the loopback address of the container itself. docker.hostip.dev points to the default bridge network adaptor address which will access your dev machines localhost. It does not replace accessing localhost/127.0.0.1 on your dev machine directly
    • fulafel 7y ago
      "Your dev machines localhost" is confused - this is unrelated to the loopback. Also "the loopback address of the container itself" - there is a loopback interface per network node, be it a container or host, different loopback addresses (127.0.0.2 etc) would not change anything.