26 Apr

Container names and docker-compose

This post is related to Docker and automation

You learn new things every day. Quite often by accident because something is not working as you expect or it just stopped working. This is one of those situations where I learned to be careful how to use container names using docker-compose and how containers refer to each other names. This is very important if they share the same network.

To perform some tests I created a lab where I run Ansible AWX (the free Ansible Tower version) and Netbox IPAM. I decided to use docker-compose because it gave me an easy way to manage the lab. By default, both AWX and Netbox is put in dedicated Network just for the containers of each installation. This means the isolation – the desired way you want to run containers. But in my lab, AWX need to talk to Netbox API to pull inventory. Because it is my lab I did the simplest thing.

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