![]() ![]() If you're on macOS using Docker Desktop, it's easier. CLI: Using the -add-host parameter with docker run I'll show it here in two ways, one via CLI and one via docker-compose as a bonus. Docker provides a way to add hosts into your container's /etc/hosts file. ![]() Kubernetes networking works differently from plain Docker networking.ĭepending on your use case, a network of type host may not work (and requires some setup). Update April 2019: This won't work for Kubernetes pods/services. If you're in the same situation, I hope I can save you some time! I ran into this need and after googling, it took me way too long to eventually find the answer in the docs. Could be for debugging, or small projects, or whatever reason. Sometimes you need to be able to connect to the host network from inside a Docker container. NOTE: If your problem is connecting TO containers FROM a macOS host, see this post: Last tested with version Docker version 18.09.3 on Ubuntu 16.04, Debian 9 (stretch), macOS Mojave (10.14.4). It appears that for some reason PHP or Apache, or someone in the chain is looking up 127.0.0.1 and obtaining the hostname in another manner.Two simple, quick methods to access the host network from a Docker container (updated for Docker 18.03, Linux & macOS) 03 November 2017 by Mysql_connect('localhost', 'my_username', 'my_password') Warning: MySQL Connection Failed: Host 'localhost.mn.' is not allowed to connect to this MySQL server in /Users/slurslee/Sites/CVS/sqlwebtool/common/mysql_tools.php on line 148Īnd I'm not doing anything unusual, I swear: Warning: Host 'localhost.mn.' is not allowed to connect to this MySQL server in /Users/slurslee/Sites/CVS/sqlwebtool/common/mysql_tools.php on line 148 But for some reason I'm still getting stupid complaints from MySQL when I try to connect using 'localhost' or '' or anything else that's supposed to resolve to 127.0.0.1. It works like a charm in the browser and elsewhere. I finally set up my machine with named virtual hosts so that I can use different "domain names" for my development websites. How can I set up NetInfo so that it behaves as it did in 10.0.x? I'm guessing that it's using the DNS / DHCP server to set the domain / host names. ![]() Likewise when my iBook is unconnected to any network I'll log into the terminal and the hostname shown in the terminal prompt will be 'localhost.' But when I hook it up to the network at the office it becomes 'dhcp1142.' Clearly something has changed in the way that NetInfo is managing my hosts / domains. So if I tried to connect to MySQL from my PHP script the error would come back that I didn't have permission to connect from that domain! For example, the ~/username/Sites/ directory was, the ~/username/Sites/SQL/ directory was set to, etc.īut after updating to 10.1 the permissions I had set up in the 'mysql' database weren't any good any more because my hostname was suddenly resolving to '.net' - a hostname that was clearly being supplied by my DSL router. I was using a few of these virtual hosts to specify subdirectories where I had different tools I had written in PHP and MySQL. I noticed after updating to 10.1 that the "virtual hosts" I set up with NetInfo Manager and through nf are suddenly being overridden in a weird way. ![]()
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