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Hm, interesting idea, didn't think of that. But what if the host IP is not always the same? For example, what if I wanted to deploy on multiple hosts and don't necessarily have a static IP I can put in my build script? 127.0.0.1 is nice because it is universal. Is there an equivilant universal way of doing this?
– KillerKode
Commented Nov 21, 2019 at 21:21
The docker0-interface also has an IP (172.17.0.1 in my case), but I don't know if it is always the same...
– Virsacer
Commented Nov 21, 2019 at 21:41
Are you talking about the host IP or docker network IP? If we are talking about the docker network IP, can I bind a port to a docker network IP so that the entire network can see it? For example -p 172.17.0.1:9000:5000 - is something like that possible? When I was testing, I couldn't get it to work for the entire network, I could only map it to one container based on exact IP.
– KillerKode
Commented Nov 21, 2019 at 21:44
docker0 is the (virtual) interface on the host - look up its IP and try with curl. But again: I dont know if it is the same adress on all hosts (it could depend on th OS and/or number of containers)
– Virsacer
Commented Nov 22, 2019 at 7:34
Reading up on it, I understand docker0 is by default a bridge connection to the host. So the IP's would change based on the host network setup.
– KillerKode
Commented Nov 22, 2019 at 9:15

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