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Here's a preview from my zine, How Containers Work!! If you want to see more comics like this, sign up for my saturday comics newsletter or browse more comics!

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panel 1

Illustration of a smiling stick figure with curly hair.

person: here are the 6 most important things you can configure when starting a container!

map a port to the host

Illustration of two boxes drawn with dotted lines. One is labelled “host”, the other is labelled “container”. The “host” box says “port 1234”, and the “container box” is labelled “port 8080”. There is a double-ended arrow pointing back and forth between the two ports.

mount directories from the host

Illustration of two boxes drawn with dotted lines. One is labelled “host”, the other is labelled “container”. The “host” box says “~/code/blah”, and the “container box” says “/src”. There is a double-ended arrow pointing back and forth between the two boxes.

set capabilities

add seccomp-bpf filters

set memory and CPU limits

person: only 200 MB RAM for you

use the host network namespace

Usually the default is to use a new network namespace!