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Redirects with Traefik ​

This guide will help you to configure redirects in Coolify with Traefik.

The configuration is slightly different for Standard Applications and Docker Compose based applications/one-click services.

Standard Applications ​

  • You need to set both FQDNs for your resource, so for example: coolify.io,www.coolify.io
  • Add a unique middleware to your resource.

www -> non-www ​

bash
# A similar line is already defined.
traefik.http.routers.<unique_router_name>.rule=Host(`www.coolify.io`) && PathPrefix(`/`)

# You need to add the middleware to the router.
traefik.http.routers.<unique_router_name>.middlewares=example-middleware

# If you have multiple middlewares, you need to add them comma separated.
# traefik.http.routers.<unique_router_name>.middlewares=gzip,example-middleware
#
traefik.http.middlewares.example-middleware.redirectregex.regex=^(http|https)://www\.(.+)
traefik.http.middlewares.example-middleware.redirectregex.replacement=${1}://${2}
traefik.http.middlewares.example-middleware.redirectregex.permanent=true

non-www -> www ​

bash
# A similar line is already defined.
traefik.http.routers.<unique_router_name>.rule=Host(`coolify.io`) && PathPrefix(`/`)

# You need to add the middleware to the router.
traefik.http.routers.<unique_router_name>.middlewares=example-middleware

# If you have multiple middlewares, you need to add them comma separated.
# traefik.http.routers.<unique_router_name>.middlewares=gzip,example-middleware
#
traefik.http.middlewares.example-middleware.redirectregex.regex=^(http|https)://(?:www\.)?(.+)
traefik.http.middlewares.example-middleware.redirectregex.replacement=${1}://www.${2}
traefik.http.middlewares.example-middleware.redirectregex.permanent=true

domain -> other domain ​

bash
traefik.http.middlewares.redirect-otherdomain.redirectregex.regex=^(https?://)?source-domain\.com(.*)
traefik.http.middlewares.redirect-otherdomain.redirectregex.replacement=https://target-domain.com${2}
traefik.http.middlewares.redirect-otherdomain.redirectregex.permanent=true

If you also need to generate a ssl cert for the target-domain, additionally add a routers entry

bash
traefik.http.routers.redirect-otherdomain.middlewares=redirect-to-https,redirect-otherdomain
traefik.http.routers.redirect-otherdomain.rule=Host(`target-domain.com`) && PathPrefix(`/`)
traefik.http.routers.redirect-otherdomain.entryPoints=https
traefik.http.routers.redirect-otherdomain.tls.certresolver=letsencrypt
traefik.http.routers.redirect-otherdomain.tls=true

Docker Compose based Applications & one-click Services ​

  • You need to set both FQDNs for your resource, so for example: coolify.io,www.coolify.io
  • You only need add the middleware to the router.

www -> non-www ​

bash
traefik.http.middlewares.example-middleware.redirectregex.regex=^(http|https)://www\.(.+)
traefik.http.middlewares.example-middleware.redirectregex.replacement=${1}://${2}
traefik.http.middlewares.example-middleware.redirectregex.permanent=true

non-www -> www ​

bash
traefik.http.middlewares.example-middleware.redirectregex.regex=^(http|https)://(?:www\.)?(.+)
traefik.http.middlewares.example-middleware.redirectregex.replacement=${1}://www.${2}
traefik.http.middlewares.example-middleware.redirectregex.permanent=true

Debugging ​

You can check, if the traefik settings have been correctly applied, when inspecting your docker target container.

Find your docker container id

bash
docker ps

Inspect the containers labels

bash
docker inspect <container-id>

You can additionally check the traefik container logs, by running

bash
docker logs -f coolify-proxy