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How to get local SSL and use your public domain for local internal subdomains? (lemmy.dbzer0.com)

submitted 3 days ago by ComradeMiao@lemmy.dbzer0.com to c/selfhosted@lemmy.world

29 comments fedilink hide all child comments

For instance how can I use my *.domain.com SSL certs and NPM to route containers to a subdomain without exposing them? The main domain is exposed.

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[–] thumdinger@lemmy.world 5 points 2 days ago (1 children)

This is what I do as well. I have a public DNS record for my internal reverse proxy IP (no need to expose my public IP and associate it with my domain). I let NPM reach out to the DNS provider to complete verification challenge using an account token, NPM can then get a valid cert from Let’s Encrypt and nothing is exposed. All inbound traffic on 80/443 remains blocked as normal.

[–] fine_sandy_bottom@lemmy.federate.cc 2 points 2 days ago

This is the way.

Vastly superior to local dns.