traefik/docs/content/middlewares/chain.md

Chain

When One Isn't Enougth {: .subtitle }

The Chain middleware enables you to define reusable combinations of other pieces of middleware. It makes reusing the same groups easier.

Configuration Example

??? example "A Chain for WhiteList, BasicAuth, and HTTPS"

```toml
# ...    
[http.routers]
    [http.routers.router1]
        service = "service1"
        middlewares = ["secured"]
        rule = "Host: mydomain"

[http.middlewares]
    [http.middlewares.secured.Chain]
        middlewares = ["https-only", "known-ips", "auth-users"]
        
    [http.middlewares.auth-users.BasicAuth]
        users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/"]
    [http.middlewares.https-only.SchemeRedirect]
        scheme = "https"
    [http.middlewares.known-ips.ipWhiteList]
        sourceRange = ["192.168.1.7", "x.x.x.x", "x.x.x.x"]

[http.services]
  [http.services.service1]
    [http.services.service1.LoadBalancer]
      [[http.services.service1.LoadBalancer.Servers]]
        URL = "http://127.0.0.1:80"
        Weight = 1
```