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traefik/docs/content/routing/providers/kv.md
Matthias Schneider 84b125bdde
added support for tcp proxyProtocol v1&v2 to backend
2020-11-17 13:04:04 +01:00

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Traefik & KV Stores

A Story of key & values {: .subtitle }

Routing Configuration

!!! info "Keys"

- Keys are case insensitive.
- The complete list of keys can be found in [the reference page](../../reference/dynamic-configuration/kv.md).

Routers

!!! warning "The character @ is not authorized in the router name <router_name>."

??? info "traefik/http/routers/<router_name>/rule"

See [rule](../routers/index.md#rule) for more information.

| Key (Path)                           | Value                      |
|--------------------------------------|----------------------------|
| `traefik/http/routers/myrouter/rule` | ```Host(`example.com`)```  |

??? info "traefik/http/routers/<router_name>/entrypoints"

See [entry points](../routers/index.md#entrypoints) for more information.

| Key (Path)                                    | Value       |
|-----------------------------------------------|-------------|
| `traefik.http.routers.myrouter.entrypoints/0` | `web`       |
| `traefik.http.routers.myrouter.entrypoints/1` | `websecure` |

??? info "traefik/http/routers/<router_name>/middlewares"

See [middlewares](../routers/index.md#middlewares) and [middlewares overview](../../middlewares/overview.md) for more information.

| Key (Path)                                    | Value       |
|-----------------------------------------------|-------------|
| `traefik/http/routers/myrouter/middlewares/0` | `auth`      |
| `traefik/http/routers/myrouter/middlewares/1` | `prefix`    |
| `traefik/http/routers/myrouter/middlewares/2` | `cb`        |

??? info "traefik/http/routers/<router_name>/service"

See [rule](../routers/index.md#service) for more information.

| Key (Path)                              | Value       |
|-----------------------------------------|-------------|
| `traefik/http/routers/myrouter/service` | `myservice` |

??? info "traefik/http/routers/<router_name>/tls"

See [tls](../routers/index.md#tls) for more information.

| Key (Path)                          | Value  |
|-------------------------------------|--------|
| `traefik/http/routers/myrouter/tls` | `true` |

??? info "traefik/http/routers/<router_name>/tls/certresolver"

See [certResolver](../routers/index.md#certresolver) for more information.

| Key (Path)                                       | Value        |
|--------------------------------------------------|--------------|
| `traefik/http/routers/myrouter/tls/certresolver` | `myresolver` |

??? info "traefik/http/routers/<router_name>/tls/domains/<n>/main"

See [domains](../routers/index.md#domains) for more information.

| Key (Path)                                         | Value         |
|----------------------------------------------------|---------------|
| `traefik/http/routers/myrouter/tls/domains/0/main` | `example.org` |

??? info "traefik/http/routers/<router_name>/tls/domains/<n>/sans/<n>"

See [domains](../routers/index.md#domains) for more information.

| Key (Path)                                           | Value              |
|------------------------------------------------------|--------------------|
| `traefik/http/routers/myrouter/tls/domains/0/sans/0` | `test.example.org` |
| `traefik/http/routers/myrouter/tls/domains/0/sans/1` | `dev.example.org`  |

??? info "traefik/http/routers/<router_name>/tls/options"

See [options](../routers/index.md#options) for more information.

| Key (Path)                                  | Value    |
|---------------------------------------------|----------|
| `traefik/http/routers/myrouter/tls/options` | `foobar` |

??? info "traefik/http/routers/<router_name>/priority"

See [priority](../routers/index.md#priority) for more information.

| Key (Path)                               | Value |
|------------------------------------------|-------|
| `traefik/http/routers/myrouter/priority` | `42`  |

Services

!!! warning "The character @ is not authorized in the service name <service_name>."

??? info "traefik/http/services/<service_name>/loadbalancer/servers/<n>/url"

See [servers](../services/index.md#servers) for more information.

| Key (Path)                                                      | Value                                   |
|-----------------------------------------------------------------|-----------------------------------------|
| `traefik/http/services/myservice/loadbalancer/servers/0/url`    | `http://<ip-server-1>:<port-server-1>/` |

??? info "traefik/http/services/<service_name>/loadbalancer/passhostheader"

See [pass Host header](../services/index.md#pass-host-header) for more information.

| Key (Path)                                                      | Value  |
|-----------------------------------------------------------------|--------|
| `traefik/http/services/myservice/loadbalancer/passhostheader`   | `true` |

??? info "traefik/http/services/<service_name>/loadbalancer/healthcheck/headers/<header_name>"

See [health check](../services/index.md#health-check) for more information.

| Key (Path)                                                               | Value    |
|--------------------------------------------------------------------------|----------|
| `traefik/http/services/myservice/loadbalancer/healthcheck/headers/X-Foo` | `foobar` |

??? info "traefik/http/services/<service_name>/loadbalancer/healthcheck/hostname"

See [health check](../services/index.md#health-check) for more information.

| Key (Path)                                                          | Value         |
|---------------------------------------------------------------------|---------------|
| `traefik/http/services/myservice/loadbalancer/healthcheck/hostname` | `example.org` |

??? info "traefik/http/services/<service_name>/loadbalancer/healthcheck/interval"

See [health check](../services/index.md#health-check) for more information.

| Key (Path)                                                          | Value |
|---------------------------------------------------------------------|-------|
| `traefik/http/services/myservice/loadbalancer/healthcheck/interval` | `10`  |

??? info "traefik/http/services/<service_name>/loadbalancer/healthcheck/path"

See [health check](../services/index.md#health-check) for more information.

| Key (Path)                                                      | Value  |
|-----------------------------------------------------------------|--------|
| `traefik/http/services/myservice/loadbalancer/healthcheck/path` | `/foo` |

??? info "traefik/http/services/<service_name>/loadbalancer/healthcheck/port"

See [health check](../services/index.md#health-check) for more information.

| Key (Path)                                                      | Value |
|-----------------------------------------------------------------|-------|
| `traefik/http/services/myservice/loadbalancer/healthcheck/port` | `42`  |

??? info "traefik/http/services/<service_name>/loadbalancer/healthcheck/scheme"

See [health check](../services/index.md#health-check) for more information.

| Key (Path)                                                        | Value  |
|-------------------------------------------------------------------|--------|
| `traefik/http/services/myservice/loadbalancer/healthcheck/scheme` | `http` |

??? info "traefik/http/services/<service_name>/loadbalancer/healthcheck/timeout"

See [health check](../services/index.md#health-check) for more information.

| Key (Path)                                                         | Value |
|--------------------------------------------------------------------|-------|
| `traefik/http/services/myservice/loadbalancer/healthcheck/timeout` | `10`  |

??? info "traefik/http/services/<service_name>/loadbalancer/sticky"

See [sticky sessions](../services/index.md#sticky-sessions) for more information.

| Key (Path)                                            | Value  |
|-------------------------------------------------------|--------|
| `traefik/http/services/myservice/loadbalancer/sticky` | `true` |

??? info "traefik/http/services/<service_name>/loadbalancer/sticky/cookie/httponly"

See [sticky sessions](../services/index.md#sticky-sessions) for more information.

| Key (Path)                                                            | Value  |
|-----------------------------------------------------------------------|--------|
| `traefik/http/services/myservice/loadbalancer/sticky/cookie/httponly` | `true` |

??? info "traefik/http/services/<service_name>/loadbalancer/sticky/cookie/name"

See [sticky sessions](../services/index.md#sticky-sessions) for more information.

| Key (Path)                                                        | Value    |
|-------------------------------------------------------------------|----------|
| `traefik/http/services/myservice/loadbalancer/sticky/cookie/name` | `foobar` |

??? info "traefik/http/services/<service_name>/loadbalancer/sticky/cookie/secure"

See [sticky sessions](../services/index.md#sticky-sessions) for more information.

| Key (Path)                                                          | Value  |
|---------------------------------------------------------------------|--------|
| `traefik/http/services/myservice/loadbalancer/sticky/cookie/secure` | `true` |

??? info "traefik/http/services/<service_name>/loadbalancer/sticky/cookie/samesite"

See [sticky sessions](../services/index.md#sticky-sessions) for more information.

| Key (Path)                                                            | Value  |
|-----------------------------------------------------------------------|--------|
| `traefik/http/services/myservice/loadbalancer/sticky/cookie/samesite` | `none` |

??? info "traefik/http/services/<service_name>/loadbalancer/responseforwarding/flushinterval"

See [response forwarding](../services/index.md#response-forwarding) for more information.

| Key (Path)                                                                      | Value |
|---------------------------------------------------------------------------------|-------|
| `traefik/http/services/myservice/loadbalancer/responseforwarding/flushinterval` | `10`  |

??? info "traefik/http/services/<service_name>/mirroring/service"

| Key (Path)                                               | Value    |
|----------------------------------------------------------|----------|
| `traefik/http/services/<service_name>/mirroring/service` | `foobar` |

??? info "traefik/http/services/<service_name>/mirroring/mirrors/<n>/name"

| Key (Path)                                                        | Value    |
|-------------------------------------------------------------------|----------|
| `traefik/http/services/<service_name>/mirroring/mirrors/<n>/name` | `foobar` |

??? info "traefik/http/services/<service_name>/mirroring/mirrors/<n>/percent"

| Key (Path)                                                           | Value |
|----------------------------------------------------------------------|-------|
| `traefik/http/services/<service_name>/mirroring/mirrors/<n>/percent` | `42`  |

??? info "traefik/http/services/<service_name>/weighted/services/<n>/name"

| Key (Path)                                                        | Value    |
|-------------------------------------------------------------------|----------|
| `traefik/http/services/<service_name>/weighted/services/<n>/name` | `foobar` |

??? info "traefik/http/services/<service_name>/weighted/services/<n>/weight"

| Key (Path)                                                          | Value |
|---------------------------------------------------------------------|-------|
| `traefik/http/services/<service_name>/weighted/services/<n>/weight` | `42`  |

??? info "traefik/http/services/<service_name>/weighted/sticky/cookie/name"

| Key (Path)                                                         | Value    |
|--------------------------------------------------------------------|----------|
| `traefik/http/services/<service_name>/weighted/sticky/cookie/name` | `foobar` |

??? info "traefik/http/services/<service_name>/weighted/sticky/cookie/secure"

| Key (Path)                                                           | Value  |
|----------------------------------------------------------------------|--------|
| `traefik/http/services/<service_name>/weighted/sticky/cookie/secure` | `true` |

??? info "traefik/http/services/<service_name>/weighted/sticky/cookie/samesite"

| Key (Path)                                                             | Value  |
|------------------------------------------------------------------------|--------|
| `traefik/http/services/<service_name>/weighted/sticky/cookie/samesite` | `none` |

??? info "traefik/http/services/<service_name>/weighted/sticky/cookie/httpOnly"

| Key (Path)                                                             | Value  |
|------------------------------------------------------------------------|--------|
| `traefik/http/services/<service_name>/weighted/sticky/cookie/httpOnly` | `true` |

Middleware

More information about available middlewares in the dedicated middlewares section.

!!! warning "The character @ is not authorized in the middleware name."

!!! warning "Conflicts in Declaration"

If you declare multiple middleware with the same name but with different parameters, the middleware fails to be declared.

TCP

You can declare TCP Routers and/or Services using KV.

TCP Routers

??? info "traefik/tcp/routers/<router_name>/entrypoints"

See [entry points](../routers/index.md#entrypoints_1) for more information.

| Key (Path)                                      | Value |
|-------------------------------------------------|-------|
| `traefik/tcp/routers/mytcprouter/entrypoints/0` | `ep1` |
| `traefik/tcp/routers/mytcprouter/entrypoints/1` | `ep2` |

??? info "traefik/tcp/routers/<router_name>/rule"

See [rule](../routers/index.md#rule_1) for more information.

| Key (Path)                           | Value                        |
|--------------------------------------|------------------------------|
| `traefik/tcp/routers/my-router/rule` | ```HostSNI(`example.com`)``` |

??? info "traefik/tcp/routers/<router_name>/service"

See [service](../routers/index.md#services) for more information.

| Key (Path)                                | Value       |
|-------------------------------------------|-------------|
| `traefik/tcp/routers/mytcprouter/service` | `myservice` |

??? info "traefik/tcp/routers/<router_name>/tls"

See [TLS](../routers/index.md#tls_1) for more information.

| Key (Path)                            | Value  |
|---------------------------------------|--------|
| `traefik/tcp/routers/mytcprouter/tls` | `true` |

??? info "traefik/tcp/routers/<router_name>/tls/certresolver"

See [certResolver](../routers/index.md#certresolver_1) for more information.

| Key (Path)                                         | Value        |
|----------------------------------------------------|--------------|
| `traefik/tcp/routers/mytcprouter/tls/certresolver` | `myresolver` |

??? info "traefik/tcp/routers/<router_name>/tls/domains/<n>/main"

See [domains](../routers/index.md#domains_1) for more information.

| Key (Path)                                           | Value         |
|------------------------------------------------------|---------------|
| `traefik/tcp/routers/mytcprouter/tls/domains/0/main` | `example.org` |

??? info "traefik/tcp/routers/<router_name>/tls/domains/<n>/sans"

See [domains](../routers/index.md#domains_1) for more information.

| Key (Path)                                             | Value              |
|--------------------------------------------------------|--------------------|
| `traefik/tcp/routers/mytcprouter/tls/domains/0/sans/0` | `test.example.org` |
| `traefik/tcp/routers/mytcprouter/tls/domains/0/sans/1` | `dev.example.org`  |

??? info "traefik/tcp/routers/<router_name>/tls/options"

See [options](../routers/index.md#options_1) for more information.

| Key (Path)                                    | Value    |
|-----------------------------------------------|----------|
| `traefik/tcp/routers/mytcprouter/tls/options` | `foobar` |

??? info "traefik/tcp/routers/<router_name>/tls/passthrough"

See [TLS](../routers/index.md#tls_1) for more information.

| Key (Path)                                        | Value  |
|---------------------------------------------------|--------|
| `traefik/tcp/routers/mytcprouter/tls/passthrough` | `true` |

TCP Services

??? info "traefik/tcp/services/<service_name>/loadbalancer/servers/<n>/url"

See [servers](../services/index.md#servers) for more information.

| Key (Path)                                                         | Value            |
|--------------------------------------------------------------------|------------------|
| `traefik/tcp/services/mytcpservice/loadbalancer/servers/0/address` | `xx.xx.xx.xx:xx` |

??? info "traefik/tcp/services/<service_name>/loadbalancer/terminationdelay"

See [termination delay](../services/index.md#termination-delay) for more information.

| Key (Path)                                                        | Value |
|-------------------------------------------------------------------|-------|
| `traefik/tcp/services/mytcpservice/loadbalancer/terminationdelay` | `100` |

??? info "traefik/tcp/services/<service_name>/loadbalancer/proxyprotocol/version"

See [PROXY protocol](../services/index.md#proxy-protocol) for more information.

| Key (Path)                                                             | Value |
|------------------------------------------------------------------------|-------|
| `traefik/tcp/services/mytcpservice/loadbalancer/proxyprotocol/version` | `1`   |

??? info "traefik/tcp/services/<service_name>/weighted/services/<n>/name"

| Key (Path)                                                          | Value    |
|---------------------------------------------------------------------|----------|
| `traefik/tcp/services/<service_name>/weighted/services/0/name`      | `foobar` |

??? info "traefik/tcp/services/<service_name>/weighted/services/<n>/weight"

| Key (Path)                                                       | Value |
|------------------------------------------------------------------|-------|
| `traefik/tcp/services/<service_name>/weighted/services/0/weight` | `42`  |