Connecting to MongoDB

- [Narrator] How do we provide the previously created…credentials to our application?…We need a way to work with different databases…depending on the environment.…Luckily, our configuration does already support that…so if we look into server config index js,…we see here on line six that we have a property development.…On line 17 we have a property production…and if we scroll down, on line 28,…we have a property test.…On the other hand, we should not store credentials…with our application code,…especially if this is committed…to some version control system like ki-tar.…

That's why I installed a module called dotenv already,…to see that I'm requiring it up here on line one,…and what dotenv does is it looks for fouls…with the name dotenv in our project route…and brings the setting in then…as environment variables on process…and you can see that here, for example,…on line 14, we bring in process.env.DEVELOPMENT_DB_DSN.…

So set these variables to sample project or ID…contains a file dotenv sample,…and I will now go ahead and rename it to dotenv,…