Docker: Configuration files
Things no one tells you about.
One of Docker’s killer features is the environment
parity, yet it feels like one little detail was left untold: how to handle
configuration files.
Unless you are using the same configuration between development, quality,
production, etc. you will end up with different endpoints, API keys, secret
tokens and feature switches for each environment.
Available Options
There are a couple of different ways to handle configuration in Docker. Below,
you will find a non-exhaustive list.