Docker Intro and Week 19 Roadmap
What is Docker
What are Docker containers?

Docker containers
- containers are isolated
- containers are ephemeral
- containers are lightweight
- containers are reproducible
Docker containers
- containers are isolated
- cannot interact with the rest of your computer, or other containers (except in specific ways)
- containers are ephemeral
- you make them when you need one, and you can get rid of them when you're done
- containers are lightweight
- single-purpose, only contain what they need
- containers are reproducible
- make the same container over and over again
Who and what is it useful for?
Many things…
- Collaboration
- Trying out new tools
- DevOps
- Scientists
- Deploying a website!
Docker topics
- Setup and practice navigating inside a container (today)
- Docker containers (Tuesday)
- Docker Images and Dockerfiles (Wednesday)
- Docker-compose (Thursday)
- Microservices (Optional)
Today
- set up Docker
- explore alpine linux
- a minimal linux distribution
- in this project
- no direct access to your computer's file system
- interactions through the command line
Docker containers (Tuesday)
- a docker container is a lightweight package which contains all the software and dependencies to run a single process
- we'll explore containers & use the command line interface to work with them
Docker images (Wednesday)
- docker images are templates for building docker containers
- allows you to make the same containers over and over
- you can customize an image using a Dockerfile
Docker-compose (Thursday)
- easily spin up a collection of containers, and configure them to communicate with one another
Friday
- multi-threading demo
- walkthrough the project skeleton
- group project planning
Today's itinerary [1/2]
Docker introduction:
- Watch this video, which is also listed under lecture for tomorrow: 12-minute Docker Overview
- Non Technical Overview of Docker (reading)
Docker installation (if docker is not already installed):
- Docker Installation (reading)
- If you want to test your installation:
docker container run --rm hello-world
Today's itinerary [2/2]
Docker project:
- Installing Packages on Alpine Linux (video)
- Notes for Installing Packages on Alpine Linux (reading)
- Linux Basics (reading)
- Trying Out Alpine Linux (project)
Docker Intro and Week 19 Roadmap
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