Containers? So What? Docker 101 Explained - Computer Stuff They Didn't Teach You #8

Containers are confusing. They are a buzzword that everyone is saying but no one understands. Why use them? Why are they better than virtual machines? How are they different than just using a machine regularly? Let's build a Dockerfile FROM Scratch and built it up to an Nginx webserver and finally a multistage Dockerfile with building, testing, and running, in production, in just 30 min! 00:00 Introduction 01:25 Hello World in C 03:30 Draw.io diagram 05:00 Your app 06:12 Hypervisors 08:25 Completed Draw.io diagram 09:00 Dockerfile from Scratch 10:12 Docker Build and tag 12:12 busybox and base images 14:00 Running an image 15:22 What's Inside? 16:27 From Ubuntu 17:00 Layers 18:45 A more complex example 20:20 Nginx 24:25 My .NET podcast site in Docker 27:10 Why containers are amazing 27:45 Size of images 28:55 Final Diagram 30:00 Conclusion