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Container images — layers, tags, registries and digests

cheat sheet · Docker 29.1 · Ubuntu 24.04 https://lab.dimsanych.ru/en/wiki/container-images/

Cheat sheet

sudo docker load -i /opt/images/alpine.tar image from a file
sudo docker images images on this machine
sudo docker image ls --digests with digests
sudo docker history nginx:alpine layers and what made them
sudo docker image inspect -f '{{.Id}}' busybox full ID
sudo docker tag busybox:latest app:1.0 a second name, same image
sudo docker rmi app:1.0 drop a tag or the image
sudo docker image prune remove untagged images
sudo docker save busybox > busybox.tar image to a file
sudo docker pull nginx:alpine fetch from a registry (network)