Listen Now

Segment 1 (Deep Dive)

Docker

Components

Docker Engine

Docker Build

Docker Compose

Docker Desktop (Mac/Windows)

Concepts

Shares resources from the OS kernel.

Not meant to run a virtual machine but to perform a single task or computation. The container only lasts as long as the process/computation within it is active.

Installation

Do not use “sudo apt install docker” in your package manager.

https://lhs.fyi/ma (Ubuntu installation procedure)

Allow unprivileged users to run Docker

sudo usermod -a -G docker $USER

Useful Commands

docker run (spin up a Docker container)

-d (detached)

-i (interactive / map stdin to container)

-t (invoke psuedo terminal on run)

-p (map external port to container port)

-v (map external filesystem to container filesystem)

-e (assign env variable to container)

–network (specify container network options)

docker ps [-a] (see running [and ended] Docker containers)

docker rm (remove a container)

docker images (see installed images)

docker rmi (remove image)

docker pull (download an image)

docker exec (run a command inside a container)

docker attach (foreground detached container)

docker inspect (details dumped as JSON)

docker network ls (show container networks)

Docker Storage

/var/lib/docker/(aufs,containers,image,volumes)

docker volume create

-v data_volume:

-v : (bind mount existing data)

–mount type=<>,source=,target=<>

Resources

https://lhs.fyi/mb (chrip Docker image)

https://lhs.fyi/mc (SDRAngel Docker image)

https://lhs.fyi/md (YouTube Docker tutorial)

Segment 2 (Announcements & Feedback)