I just heard about Archive Team Warrior, where you can donate some of your internet bandwidth to helping the Internet Archive do its work. In under half an hour, I had the container running on my home server. The documentation talks about VMs, but Docker is also an option.

Project site: http://warrior.archiveteam.org/

Link to a docker compose file (remember to add your environment variables or map config.json): https://github.com/ArchiveTeam/warrior-dockerfile/blob/master/docker-compose.yml