Docker

1. https://www.youtube.com/watch?v=tQ8F7d2VACU

Enviroment variables

1. https://www.twilio.com/blog/2017/01/how-to-set-environment-variables.html

Authentication/Authorization

1. JWT (https://www.youtube.com/watch?v=vQldMjSJ6-w). 3 parts
2. Cookie (https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies)

Nodejs

1. https://www.youtube.com/watch?v=MXqKatH5Lw4
2. https://nodejs.org/ru/docs/guides/

Patterns

1. DI (https://www.youtube.com/watch?v=3NgWwzwDeTQ)

Git

1. The most popular/useful flows
   1. https://www.atlassian.com/git/tutorials/comparing-workflows/gitflow-workflow
   2. https://www.atlassian.com/continuous-delivery/continuous-integration/trunk-based-development