After 5 years of development, the wait is finally over: Traefik 3.0 is generally available! This article will focus on the beginning, the elephant in the room: the migration.
Upgrade went mostly without a problem (had set more than one Hostname for a service before, seems to not work anymore lol), and i have a pretty large configuration that has grown over the past two years.
What i noticed is that it is quite a bit faster. Also the dashboard shows a little more information than before and the logs have colours now.
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PathPrefix no longer being regex stood out
For real? Damn it that’s going to be painful.
Sounds like they actually changed it to Go language regex syntax instead of pearl syntax.
The documentation certainly makes it sounds like they just got rid of regex but this forum post seems to show otherwise.
https://community.traefik.io/t/pathprefix-regex/21819
I’m definitely in the wait for a month at least before attempting this upgrade camp…