Docker 101 Workshop - Day 1

One Day workshop on understanding Docker and Containers. Learn to run a container, inspect a container and understand the isolation of processes. Create a Dockerfile, and build an image from a Dockerfile. Learn how to mount application code using volume mount. Learn how to make your app data persistent across multiple containers. Learn how to create multiple containers from a single image, run multiple containers using docker-compose, and more.

Pre-WorkShop Prerequisites

• Ubuntu 20.04 LTS ( https://releases.ubuntu.com/focal/ubuntu-20.04.5-desktop-amd64.iso )
• Install a Python Web Server (https://github.com/data-charya/demo-flask)
• Install any one Relational Database (MySQL or PostgreSQL)
  • MySQL Installation (https://www.digitalocean.com/community/tutorials/how-to-install-mysql-on-ubuntu-20-04)
  • PostgreSQL Installation (https://www.digitalocean.com/community/tutorials/how-to-install-postgresql-on-ubuntu-20-04-quickstart)
• VS code IDE ( https://linuxize.com/post/how-to-install-visual-studio-code-on-ubuntu-20-04/ )
• Any default Browser.

Prerequisites

• Ubuntu 20.04 LTS ( https://releases.ubuntu.com/focal/ubuntu-20.04.5-desktop-amd64.iso )
• Docker ( https://docs.docker.com/engine/install/ubuntu/#install-using-the-convenience-script )
• Git ( https://www.atlassian.com/git/tutorials/install-git#linux )
  • Create github account (https://github.com/signup)
  • Setting up SSH key with GitHub for Ubuntu (https://medium.com/featurepreneur/setting-up-ssh-key-with-github-for-ubuntu-cd8f2fabf25b)
• VS code IDE ( https://linuxize.com/post/how-to-install-visual-studio-code-on-ubuntu-20-04/ )
• Internet Connection and Chrome browser.

Workshop environment setup

• Check if Git, Docker, and Docker Compose are installed in on the system. Open the terminal and run the following command

  mis@mispl-lap-31:~$ git --version
  git version 2.25.1
  
  mis@mispl-lap-31:~$ docker --version
  Docker version 20.10.17, build 100c701
  
  mis@mispl-lap-31:~$ docker compose version
  Docker Compose version v2.6.0
  
  

• Open terminal and run following command to create a folder called workshop

  mkdir workshop
  

• Navigate to the folder workshop and clone the from your personal repo using git

  cd workshop
  

• Clone Website-Workshop1 repo && go inside Webiste-Workshop1 folder

  git clone [email protected]:<YOUR-GIT-ID>/Website-Workshop1.git
  cd Website-Workshop1
  

• To open folder in VS code editor

  cd ~/workshop/Website-Workshop1
  code .
  

• If docker is not installed in your Linux run the following command

  $ curl -fsSL https://get.docker.com -o get-docker.sh
  $ sudo sh get-docker.sh
  

• Download dockersamples/101-tutorial image and bring up the container

  sudo docker run -d -p 8081:80 dockersamples/101-tutorial
  

• open up http://localhost:8081/ in your browser

What will you learn by the end of this workshop?

• By the end of this workshop, you will learn what docker is and understand how to set up containers.
• You will be introduced to containerization concepts and why it is required.
• You will learn how to build and run your own Containers.
• You will learn how to run Multiple Services with Docker Compose.
• You will learn how to build and run PHP and NGNIX containers.

Schedule

Time	Topics
09:00 - 09:30	[Introduction/What we do ?]
09:30 - 09:45	Video Session: Introduction to Docker and Containers
09:45 - 10:30	Simple Docker Commands
10:00 - 10:30	Getting Started, Our Application
10:00 - 11:00	Updating our App
11:00 - 11:45	Sharing our App
11:45 - 01:00	Persisting our DB and Bind Mounts
01:00 - 02:00	[Break]
02:00 - 03:30	Multi-Container Apps
03:00 - 05:00	Using Docker Compose
05:00 - 05:15	[Q & A]
05:15 - 05:30	[Wrapping Up]