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traefik/docs/configuration/backends/servicefabric.md

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# Azure Service Fabric Backend
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Træfik can be configured to use Azure Service Fabric as a backend configuration.
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See [this repository for an example deployment package and further documentation.](https://aka.ms/traefikonsf)
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## Azure Service Fabric
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```toml
################################################################
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# Azure Service Fabric provider
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################################################################
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# Enable Azure Service Fabric configuration backend
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[serviceFabric]
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# Azure Service Fabric Management Endpoint
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#
# Required
#
clusterManagementUrl = "https://localhost:19080"
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# Azure Service Fabric Management Endpoint API Version
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#
# Required
# Default: "3.0"
#
apiVersion = "3.0"
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# Azure Service Fabric Polling Interval (in seconds)
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#
# Required
# Default: 10
#
refreshSeconds = 10
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# Enable TLS connection.
#
# Optional
#
# [serviceFabric.tls]
# ca = "/etc/ssl/ca.crt"
# cert = "/etc/ssl/servicefabric.crt"
# key = "/etc/ssl/servicefabric.key"
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# insecureSkipVerify = true
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```
## Labels
The provider uses labels to configure how services are exposed through Træfik.
These can be set using Extensions and the Property Manager API
#### Extensions
Set labels with extensions through the services `ServiceManifest.xml` file.
Here is an example of an extension setting Træfik labels:
```xml
<StatelessServiceType ServiceTypeName="WebServiceType">
<Extensions>
<Extension Name="Traefik">
<Labels xmlns="http://schemas.microsoft.com/2015/03/fabact-no-schema">
<Label Key="traefik.frontend.rule.example2">PathPrefixStrip: /a/path/to/strip</Label>
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<Label Key="traefik.enable">true</Label>
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<Label Key="traefik.frontend.passHostHeader">true</Label>
</Labels>
</Extension>
</Extensions>
</StatelessServiceType>
```
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#### Property Manager
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Set Labels with the property manager API to overwrite and add labels, while your service is running.
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Here is an example of adding a frontend rule using the property manager API.
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```shell
curl -X PUT \
'http://localhost:19080/Names/GettingStartedApplication2/WebService/$/GetProperty?api-version=6.0&IncludeValues=true' \
-d '{
"PropertyName": "traefik.frontend.rule.default",
"Value": {
"Kind": "String",
"Data": "PathPrefixStrip: /a/path/to/strip"
},
"CustomTypeId": "LabelType"
}'
```
!!! note
This functionality will be released in a future version of the [sfctl](https://docs.microsoft.com/en-us/azure/service-fabric/service-fabric-application-lifecycle-sfctl) tool.
## Available Labels
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Labels, set through extensions or the property manager, can be used on services to override default behavior.
| Label | Description |
|------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `traefik.enable=false` | Disable this container in Træfik |
| `traefik.backend.circuitbreaker.expression=EXPR` | Create a [circuit breaker](/basics/#backends) to be used against the backend |
| `traefik.backend.group.name` | Group all services with the same name into a single backend in Træfik |
| `traefik.backend.group.weight` | Set the weighting of the current services nodes in the backend group |
| `traefik.backend.healthcheck.path=/health` | Enable health check for the backend, hitting the container at `path`. |
| `traefik.backend.healthcheck.port=8080` | Allow to use a different port for the health check. |
| `traefik.backend.healthcheck.interval=1s` | Define the health check interval. |
| `traefik.backend.loadbalancer.method=drr` | Override the default `wrr` load balancer algorithm |
| `traefik.backend.loadbalancer.stickiness=true` | Enable backend sticky sessions |
| `traefik.backend.loadbalancer.stickiness.cookieName=NAME` | Manually set the cookie name for sticky sessions |
| `traefik.backend.loadbalancer.sticky=true` | Enable backend sticky sessions (DEPRECATED) |
| `traefik.backend.maxconn.amount=10` | Set a maximum number of connections to the backend.<br>Must be used in conjunction with the below label to take effect. |
| `traefik.backend.maxconn.extractorfunc=client.ip` | Set the function to be used against the request to determine what to limit maximum connections to the backend by.<br>Must be used in conjunction with the above label to take effect. |
| `traefik.backend.weight=10` | Assign this weight to the container |
| `traefik.frontend.auth.basic=EXPR` | Sets basic authentication for that frontend in CSV format: `User:Hash,User:Hash` |
| `traefik.frontend.entryPoints=http,https` | Assign this frontend to entry points `http` and `https`.<br>Overrides `defaultEntryPoints` |
| `traefik.frontend.passHostHeader=true` | Forward client `Host` header to the backend. |
| `traefik.frontend.passTLSCert=true` | Forward TLS Client certificates to the backend. |
| `traefik.frontend.priority=10` | Override default frontend priority |
| `traefik.frontend.redirect.entryPoint=https` | Enables Redirect to another entryPoint for that frontend (e.g. HTTPS) |
| `traefik.frontend.redirect.regex=^http://localhost/(.*)` | Redirect to another URL for that frontend.<br>Must be set with `traefik.frontend.redirect.replacement`. |
| `traefik.frontend.redirect.replacement=http://mydomain/$1` | Redirect to another URL for that frontend.<br>Must be set with `traefik.frontend.redirect.regex`. |
| `traefik.frontend.redirect.permanent=true` | Return 301 instead of 302. |
| `traefik.frontend.rule=EXPR` | Override the default frontend rule. Defaults to SF address. |
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| `traefik.frontend.whiteList.sourceRange=RANGE` | List of IP-Ranges which are allowed to access.<br>An unset or empty list allows all Source-IPs to access.<br>If one of the Net-Specifications are invalid, the whole list is invalid and allows all Source-IPs to access. |
| `traefik.frontend.whiteList.useXForwardedFor=true` | Use `X-Forwarded-For` header as valid source of IP for the white list. |
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### Custom Headers
| Label | Description |
|-------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `traefik.frontend.headers.customRequestHeaders=EXPR ` | Provides the container with custom request headers that will be appended to each request forwarded to the container.<br>Format: <code>HEADER:value&vert;&vert;HEADER2:value2</code> |
| `traefik.frontend.headers.customResponseHeaders=EXPR` | Appends the headers to each response returned by the container, before forwarding the response to the client.<br>Format: <code>HEADER:value&vert;&vert;HEADER2:value2</code> |
### Security Headers
| Label | Description |
|----------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `traefik.frontend.headers.allowedHosts=EXPR` | Provides a list of allowed hosts that requests will be processed.<br>Format: `Host1,Host2` |
| `traefik.frontend.headers.hostsProxyHeaders=EXPR ` | Provides a list of headers that the proxied hostname may be stored.<br>Format: `HEADER1,HEADER2` |
| `traefik.frontend.headers.SSLRedirect=true` | Forces the frontend to redirect to SSL if a non-SSL request is sent. |
| `traefik.frontend.headers.SSLTemporaryRedirect=true` | Forces the frontend to redirect to SSL if a non-SSL request is sent, but by sending a 302 instead of a 301. |
| `traefik.frontend.headers.SSLHost=HOST` | This setting configures the hostname that redirects will be based on. Default is "", which is the same host as the request. |
| `traefik.frontend.headers.SSLProxyHeaders=EXPR` | Header combinations that would signify a proper SSL Request (Such as `X-Forwarded-For:https`).<br>Format: <code>HEADER:value&vert;&vert;HEADER2:value2</code> |
| `traefik.frontend.headers.STSSeconds=315360000` | Sets the max-age of the STS header. |
| `traefik.frontend.headers.STSIncludeSubdomains=true` | Adds the `IncludeSubdomains` section of the STS header. |
| `traefik.frontend.headers.STSPreload=true` | Adds the preload flag to the STS header. |
| `traefik.frontend.headers.forceSTSHeader=false` | Adds the STS header to non-SSL requests. |
| `traefik.frontend.headers.frameDeny=false` | Adds the `X-Frame-Options` header with the value of `DENY`. |
| `traefik.frontend.headers.customFrameOptionsValue=VALUE` | Overrides the `X-Frame-Options` header with the custom value. |
| `traefik.frontend.headers.contentTypeNosniff=true` | Adds the `X-Content-Type-Options` header with the value `nosniff`. |
| `traefik.frontend.headers.browserXSSFilter=true` | Adds the X-XSS-Protection header with the value `1; mode=block`. |
| `traefik.frontend.headers.customBrowserXSSValue=VALUE` | Set custom value for X-XSS-Protection header. This overrides the BrowserXssFilter option. |
| `traefik.frontend.headers.contentSecurityPolicy=VALUE` | Adds CSP Header with the custom value. |
| `traefik.frontend.headers.publicKey=VALUE` | Adds pinned HTST public key header. |
| `traefik.frontend.headers.referrerPolicy=VALUE` | Adds referrer policy header. |
| `traefik.frontend.headers.isDevelopment=false` | This will cause the `AllowedHosts`, `SSLRedirect`, and `STSSeconds`/`STSIncludeSubdomains` options to be ignored during development.<br>When deploying to production, be sure to set this to false. |
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