Containers & Docker Explained

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!

• 0:00 Introduction
• 1:25 Hello World in C
• 3:30 Draw.io diagram
• 5:00 Your app
• 6:12 Hypervisors
• 8:25 Completed Draw.io diagram
• 9:00 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