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Traefik, yaml format and backticks... (self.selfhosted)

submitted 1 year ago by deepdive to c/selfhosted

7 comments fedilink hide all child comments

Hi everyone !

I just learned the hardway how important it is to make the difference between ` and ' ...

Tried for 1 whole day to figure out why I got a stupid error in traefik with rule=host(hostname).

While the logs weren't clear about what was raising the error:

error while parsing rule Host('vaultwarden.home.lab'): 1:6: illegal rune literal

I tried alot of different things, from changing the self signed certs, wildcards, adguard DNS rewrite, changing network add some wired traefik rules... To finally compare 2 different yaml files and having that "ahhh..." feeling...

Bit depressing but finally happy to have my own self signed local domain names.

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[–] [email protected] 3 points 1 year ago (2 children)

Highly recommended a yaml "linter" :)

[–] [email protected] 3 points 1 year ago (2 children)

no that is valid yaml in any case, it's just a traeffic specific rule

[–] [email protected] 1 points 1 year ago

Oh good point.... yaml hard

[–] deepdive 1 points 1 year ago

Good to know :) ! To be more specific, it's a GO syntax ! See @alxx comment !

[–] deepdive 2 points 1 year ago

Thanks :)

[–] alxx 1 points 1 year ago (1 children)

This is not Traefik's fault though. It's because of String literals in Go.

[–] deepdive 2 points 1 year ago* (last edited 1 year ago)

Thank you for the insight ! So, I could have used " " instead of ` . Which I normally do, but because I tried to follow the docs blindly, I just used their syntax without questioning the single quotes !