Investigations - Docker

Notes

• Installation on Debian/Ubuntu based: https://docs.docker.com/engine/install/debian/

  • Can install in WSL2 !

    • https://tech.buty4649.net/entry/2022/10/20/162036

  • Can install Linux on ChromeOS !

• Rootless Mode

  • https://docs.docker.com/engine/security/rootless/

• User in docker

  • https://stackoverflow.com/questions/52070171/whats-the-default-user-for-docker-exec

  • https://tech.uzabase.com/entry/2023/01/18/154317

• Security

  • https://docs.docker.com/engine/security/

Tips

Cleanup

• https://docs.docker.jp/config/pruning.html

  • docker image prune

• https://qiita.com/hyt-sasaki/items/e2cbc4cfb5ae698de498

  • docker builder prune

Exec process within a running container

• How can I run bash in a docker container? - Stack Overflow - https://stackoverflow.com/questions/43308319/how-can-i-run-bash-in-a-docker-container

  • docker exec -it <container-name-or-id> bash

Restart Behavior

• Start containers automatically | Docker Docs - https://docs.docker.com/engine/containers/start-containers-automatically/

Volume Size

• How to inspect volumes size in Docker | by MrManafon | Homullus | Medium - https://medium.com/homullus/how-to-inspect-volumes-size-in-docker-de1068d57f6b

Debugging

• https://pythonspeed.com/articles/debugging-docker-build/

Argument Passing

• https://stackoverflow.com/questions/40873165/use-docker-run-command-to-pass-arguments-to-cmd-in-dockerfile

  • https://docs.docker.com/engine/reference/builder/#exec-form-entrypoint-example

Typical Images

• MySQL - https://hub.docker.com/_/mysql

  • https://www.kagoya.jp/howto/cloud/container/dockermysql/

Mount Local Directories

• https://ritviknag.com/tech-tips/how-to-mount-current-working-directory-to-your-docker-container/

References

• https://docs.docker.com/engine/install/debian/#install-using-the-repository