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Be more specific this question is regarding docker for windows
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edit approved Nov 1, 2016 at 7:27
Carlos Rafael Ramirez
edit approved Nov 1, 2016 at 7:27
Carlos Rafael Ramirez
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Expose container port to Host using Docker for Windows in Windows 10

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Gutemberg Ribeiro
Gutemberg Ribeiro
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Expose container port to Host

I've reading docker API and trying to create a simple container and expose 1 port.

In my example, I have an application that listen on TCP port 9595 inside the container and I want to access it from outside world (i.e. the host of the container) on port 9090.

When creating the container I have "ExposedPorts": { "9595/tcp: {}" } and the "PortBindings": { "9595/tcp": [{ "HostPort": "9090" }] }.

So, if I access from the Host machine http://container_internal_ip:9595 it works! However, when I access http://localhost:9090, which is what I expect using this port map feature, it doesn't work...

While running docker port containerID I have 9595/tcp -> 0.0.0.0:9090 and that should means, when connecting to any IP on the host, at port 9090, forward to the container in port 9595.

So, what is wrong here? Why can't I connect to 9090?

I appreciate any clarifications.