Docker
Running software in containers, and building images that other people can run.
Running Containers
Using what someone else built.
What a container is: a program that shares the host's kernel, started from a read-only image.
Beginner5 cards · 3 qnot started
Running a container from an image: docker run, publishing a port, and finding out why a container stopped.
Beginner to Intermediate6 cards · 5 qnot started
Which files survive a container: the writable layer, and the bind mounts and volumes that keep data after it is gone.
Beginner to Intermediate5 cards · 3 qnot started
Building Images
Making something others can run.
Building your own image: writing a Dockerfile, running docker build, and naming the result with tags.
Beginner to Intermediate6 cards · 3 qnot started
The build cache: why a rebuild is fast or slow, how to order a Dockerfile to keep it fast, and what it leaves on disk.
Intermediate to Advanced7 cards · 3 qnot started