Docker (introducing Kubernetes)

The objective of this practical course is to provide all the tools that address the practical aspects of Docker and Kubernetes, in order that the participants can count on the necessary skills for the proper management of the program.

What is Docker

Use cases

• Major components of Docker
• Docker architecture fundamentals

Docker architecture

• Docker images
• Docker registry
• Docker containers

The underlying technology

• Namespaces
• Control groups
• Union FS
• Container format

Installation of Docker

• Installation on Ubuntu via apt-get
• Installation of newer version of Docker

Dockerizing applications

•  The hello world example
•  Interactive container
•  Daemonizing programs

Container usage

•  Running a webapp in a container
•  Investigating a container
•  Port mapping
•  Viewing the logs
•  Looking at processes
•  Stopping and restarting
•  Removing a container

Managing images

•  Listing images
•  Downloading images
•  Finding images

Networking of containers

•  Port mapping details
•  Container linking and naming
•  Linking and environment variables

Data in containers

•  Data volumes
•  Host directories as data volume
•  Host file as data volume
•  Data volume containers
•  Backup, restore of data volumes

Contributing to the ecosystem

•  What is Docker Hub?
•  Registering on Docker Hub
•  Command line login
•  Uploading to Docker Hub
•  Private repositories
•  Automated builds

Kubernetes introduction

•  Pods
•  Labels and Selectors
•  Controllers
•  Services
•  Architecture and the Kubernetes Node