Move hardcoded values into enviroment variables.

[Michiocre]

When i was trying to get the project running on my local machine i ran into some hardcoded values. It would be nice if these were not inside the codebase but rather in the enviroment variables.

I also added support for a .env file to make development easier, so you can either add the values to the env variables or just write it into the .env file.