my .env file in the traefik-stack folder looks something like: TRAEFIKADMINCREDS='user:hashedpass' EMAILFORRESOLVER='user@email.com' DOMAIN='example.com' CROWDSEC_BOUNCER_API_KEY='foo' In my docker-compose.yml I know I can simply... - traefik.http.routers.traefik-https.rule=Host(`hostname.$…

You declare the environment variables in the .env file and reference them in the compose file so the container can use them in the dynamic config files. I just tested both ways you referenced for docker-compose.yml and both work. However you pass the variable through the compose file - WAN_HOSTNAME= …

Environment variables in static config dynamic config not working, traefik v3

Traefik Traefik v3 (latest)

crazytimmy May 9, 2025, 4:39pm 2

Found this post while I was searching how to do the same thing. I found the answer in this post:

Also note that you can't use go templating (.env variables) in the static traefik config file. Only dynamic files as noted on this page:

Hope this helps you, and others in the future find the answer more easily.

1 Like

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Environment variables in static config dynamic config not working, traefik v3

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