설치
Can't install docker on Ubuntu 20.04
https://forums.docker.com/t/cant-install-docker-on-ubuntu-20-04/93058
Docker 구성요소
DinD(docker in docker)와 DooD(docker out of docker)
https://aidanbae.github.io/code/docker/dinddood
Dockerhub
Cannot login to Docker account
https://stackoverflow.com/questions/50151833/cannot-login-to-docker-account
Dockerfile 꿀팁
What is the known_hosts File for ssh in Linux?
https://linuxhint.com/known-hosts-file-ssh-linuxWhat is a SSH key fingerprint and how is it generated?
https://superuser.com/questions/421997/what-is-a-ssh-key-fingerprint-and-how-is-it-generatedSSH known_host 메모
https://bcho.tistory.com/1227[docker] Dockerfile 빌드시 timezone 설정 때문에 설치되지 않는 오류 (tesseract)
https://bslife.tistory.com/85
네트워크
Attention Required! | Cloudflare
https://medium.com/@huynhquangthao/how-does-the-docker-dns-work-ab69bde4c82aHow to define DNS in Docker containers
https://www.techrepublic.com/article/how-to-define-dns-in-docker-containers