JavaScript front-end CI

This tutorial describes how to configure Continuous Integration (CI) for browser JavaScript projects.

Contents of the tutorial:

1. What is Continuous Integration
2. A sample project
3. Configure unit tests on local machine
4. Configure e2e tests on local machine
5. Build Docker image
6. Register gitlab-runner
7. Configure GitLab CI
8. Configure unit tests for gitlab-runner
9. Configure e2e tests for gitlab-runner