Improve providers documentation.
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@ -18,9 +18,18 @@ Attach labels to your services and let Traefik do the rest!
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Enabling the rancher provider
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```toml
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```toml tab="File (TOML)"
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[providers.rancher]
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```
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```yaml tab="File (YAML)"
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providers:
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rancher: {}
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```
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```bash tab="CLI"
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--providers.rancher
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```
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Attaching labels to services
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@ -34,21 +43,67 @@ Attach labels to your services and let Traefik do the rest!
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??? tip "Browse the Reference"
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If you're in a hurry, maybe you'd rather go through the configuration reference:
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```toml
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```toml tab="File (TOML)"
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--8<-- "content/providers/rancher.toml"
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```
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```yaml tab="File (YAML)"
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--8<-- "content/providers/rancher.yml"
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```
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```bash tab="CLI"
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--8<-- "content/providers/rancher.txt"
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```
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### `ExposedByDefault`
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### `exposedByDefault`
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_Optional, Default=true_
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```toml tab="File (TOML)"
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[providers.rancher]
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exposedByDefault = false
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# ...
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```
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```yaml tab="File (YAML)"
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providers:
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rancher:
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exposedByDefault: false
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# ...
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```
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```bash tab="CLI"
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--providers.rancher.exposedByDefault=false
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# ...
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```
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Expose Rancher services by default in Traefik.
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If set to false, services that don't have a `traefik.enable=true` label will be ignored from the resulting routing configuration.
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### `DefaultRule`
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See also [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
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### `defaultRule`
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_Optional, Default=```Host(`{{ normalize .Name }}`)```_
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```toml tab="File (TOML)"
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[providers.rancher]
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defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
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# ...
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```
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```yaml tab="File (YAML)"
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providers:
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rancher:
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defaultRule: "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
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# ...
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```
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```bash tab="CLI"
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--providers.rancher.defaultRule="Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
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# ...
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```
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The default host rule for all services.
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For a given container if no routing rule was defined by a label, it is defined by this defaultRule instead.
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@ -57,48 +112,127 @@ augmented with the [sprig template functions](http://masterminds.github.io/sprig
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The service name can be accessed as the `Name` identifier,
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and the template has access to all the labels defined on this container.
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```toml tab="File"
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[providers.rancher]
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defaultRule = "Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
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# ...
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```
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```txt tab="CLI"
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--providers.rancher
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--providers.rancher.defaultRule="Host(`{{ .Name }}.{{ index .Labels \"customLabel\"}}`)"
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```
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This option can be overridden on a container basis with the `traefik.http.routers.Router1.rule` label.
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### `EnableServiceHealthFilter`
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### `enableServiceHealthFilter`
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_Optional, Default=true_
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```toml tab="File (TOML)"
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[providers.rancher]
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enableServiceHealthFilter = false
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# ...
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```
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```yaml tab="File (YAML)"
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providers:
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rancher:
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enableServiceHealthFilter: false
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# ...
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```
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```bash tab="CLI"
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--providers.rancher.enableServiceHealthFilter=false
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# ...
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```
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Filter services with unhealthy states and inactive states.
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### `RefreshSeconds`
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### `refreshSeconds`
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_Optional, Default=15_
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```toml tab="File (TOML)"
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[providers.rancher]
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refreshSeconds = 30
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# ...
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```
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```yaml tab="File (YAML)"
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providers:
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rancher:
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refreshSeconds: 30
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# ...
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```
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```bash tab="CLI"
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--providers.rancher.refreshSeconds=30
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# ...
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```
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Defines the polling interval (in seconds).
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### `IntervalPoll`
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### `intervalPoll`
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_Optional, Default=false_
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```toml tab="File (TOML)"
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[providers.rancher]
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intervalPoll = true
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# ...
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```
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```yaml tab="File (YAML)"
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providers:
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rancher:
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intervalPoll: true
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# ...
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```
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```bash tab="CLI"
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--providers.rancher.intervalPoll=true
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# ...
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```
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Poll the Rancher metadata service for changes every `rancher.refreshSeconds`,
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which is less accurate than the default long polling technique which will provide near instantaneous updates to Traefik.
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### `Prefix`
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### `prefix`
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_Optional, Default=/latest_
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```toml tab="File (TOML)"
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[providers.rancher]
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prefix = "/test"
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# ...
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```
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```yaml tab="File (YAML)"
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providers:
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rancher:
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prefix: "/test"
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# ...
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```
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```bash tab="CLI"
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--providers.rancher.prefix="/test"
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# ...
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```
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Prefix used for accessing the Rancher metadata service
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### `constraints`
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_Optional, Default=""_
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```toml tab="File (TOML)"
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[providers.rancher]
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constraints = "Label(`a.label.name`, `foo`)"
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# ...
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```
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```yaml tab="File (YAML)"
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providers:
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rancher:
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constraints: "Label(`a.label.name`, `foo`)"
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# ...
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```
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```bash tab="CLI"
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--providers.rancher.constraints="Label(`a.label.name`, `foo`)"
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# ...
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```
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Constraints is an expression that Traefik matches against the container's labels to determine whether to create any route for that container.
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That is to say, if none of the container's labels match the expression, no route for the container is created.
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If the expression is empty, all detected containers are included.
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constraints = "LabelRegexp(`a.label.name`, `a.+`)"
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```
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See also [Restrict the Scope of Service Discovery](./overview.md#restrict-the-scope-of-service-discovery).
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## Routing Configuration Options
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### General
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