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[Question] Same domain for all federated services (lemmy.ml)

submitted 1 year ago* (last edited 1 year ago) by youtopia@lemmy.ml to c/selfhost@lemmy.ml

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I’m interested in setting up my own instances for Lemmy, Mastodon, and Matrix.

Can I use the same https://domain.tld for all of them without any subdomains?

For example:
lemmyuser@mydomain.tld
mastodonuser@mydomain.tld
matrixuser@mydomain.tld

Will this work across all of my self-hosted instances, or do I need to append a subdomain for each, e.g., lemmyuser@lemmy.mydomain.tld?

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[–] RiotEarp@lemmy.studio 1 points 1 year ago* (last edited 1 year ago) (1 children)

Good to know and I was hoping that's the case. As soon as my new domain resolves I'm going to install lemmy, matrix, and funkwhale.

Are you running all of yours in containers?

[–] Swimmerman96 1 points 1 year ago

All of my services are in containers, I use Docker usually via Docker Compose. That gives me one file to establish all of my services, update/start/stop/check logs with consistent command formats for all services, and keeps the data separate from the application. If I need to rebuild, put a backup of my data in the right spot and change names in filepaths as needed, run a backup of the Docker Compose file and I'm up and running again.

The only things I don't have in a container is Fail2Ban on my rented, public facing server to minimize noise of bots trying to login.