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So we are leaving the world of Git now,

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at least partially, and introduce GitHub.

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This brings us back to the slide

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from the beginning of this module.

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You hopefully remember it.

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And with the knowledge gained in the last lectures,

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this left, this Git part, hopefully is a lot clearer now.

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You now know more about how Git works

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and also what repositories are.

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Now onboard to GitHub here means leaving this local world

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and bringing our locally managed repositories

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to the cloud to GitHub.

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Now, this has lots of advantages

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and also four core use cases actually.

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So before we have a closer look at GitHub,

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let's first explore

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why using GitHub is actually a very good idea.

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First, we can use GitHub as single developers,

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as single users.

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Well, the type of user we are throughout this course so far.

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This has one great advantage.

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It helps us to store our code, to store our projects,

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not only locally on our machine, but also in the cloud.

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Now this has, for example,

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the advantage that if we kind of want to access our code

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from another computer, we can do that.

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And also, of course, it has the advantage for the case

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that our computer breaks somehow or our hard drive breaks,

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anything like that, so in case our local data is lost,

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we have this data in the cloud too.

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Besides this storage advantage,

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we also can use GitHub to present ourself as developers

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to create our own portfolio page.

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We'll learn in the next lectures

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that GitHub comes with a personal user account

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and that each GitHub user has a personal page so to say.

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On this page, you can present projects

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you are currently working on or projects you've worked on.

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And with that, this is a very great tool

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to show other developers or other potential employers

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what you can do and what a great developer you actually are.

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These are all single user use cases though,

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but GitHub is also great for team projects so to say

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for projects where you are not the only person

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working on it.

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In this team context,

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the concept of collaboration is a very important one.

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Collaborating on development

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or web development project is very common these days.

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Web development projects and web pages

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tend to become quite huge in the last years.

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And therefore, it's typical that not only

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a single web developer is working on such a page,

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but multiple developers are collaborating

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and working on individual parts of this website.

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This means that all people inside this team

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need to have access to the entire code

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and also to their individual codes they are working on.

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And this code also has to be efficiently managed

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to avoid any kind of chaos

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to keep the code easily maintainable.

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So collaboration and making the code accessible

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for all people which are part of our team

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is one big use case for GitHub.

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The fourth core use case

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and the last one I want to cover here

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is the contribution use case.

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Besides having official team members,

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GitHub is also often used

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for so-called open-source projects.

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This means teams or developers

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make their code available for basically anybody

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and this allows you or other developers

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to contribute to this project by, for example,

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fixing bugs or by adding new features.

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Now this, of course,

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has to be a very well-organized approach.

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Otherwise again, if anybody could randomly update the code,

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the open-source code,

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I don't think this will be a good idea.

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Therefore, the contribution part

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is also something GitHub offers

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and it also offers the tool to make this possible

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in an efficient and easily to maintain way.

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So this is our way onwards to GitHub

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and this is also why using GitHub is a good next step

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when the Git basics are set.

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Therefore, let's now dive into GitHub and let's explore it.