Add example for changing the port used by traefik to connect to a service
This commit is contained in:
Robert Baker
Traefiker Bot
parent
8f000423ed
commit
f790b9aa54
3 changed files with 139 additions and 115 deletions
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@ -12,16 +12,16 @@ Attach labels to your containers and let Traefik do the rest!
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??? example "Configuring Docker & Deploying / Exposing Services"
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Enabling the docker provider
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```toml tab="File (TOML)"
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[providers.docker]
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```
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```yaml tab="File (YAML)"
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providers:
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docker: {}
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```
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```bash tab="CLI"
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--providers.docker=true
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```
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@ -37,6 +37,27 @@ Attach labels to your containers and let Traefik do the rest!
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- traefik.http.routers.my-container.rule=Host(`mydomain.com`)
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```
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??? example "Specify a Custom Port for the Container"
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Forward requests for `http://mydomain.com` to `http://<private IP of container>:12345`:
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```yaml
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version: "3"
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services:
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my-container:
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# ...
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labels:
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- traefik.http.routers.my-container.rule=Host(`mydomain.com`)
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# Tell Traefik to use the port 12345 to connect to `my-container`
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- traefik.http.services.my-service.loadbalancer.server.port=12345
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```
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!!! important "Traefik Connecting to the Wrong Port: `HTTP/502 Gateway Error`"
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By default, Traefik uses the first exposed port of a container.
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Setting the label `raefik.http.services.xxx.loadbalancer.server.port`
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overrides that behavior.
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??? example "Configuring Docker Swarm & Deploying / Exposing Services"
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Enabling the docker provider (Swarm Mode)
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@ -49,7 +70,7 @@ Attach labels to your containers and let Traefik do the rest!
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endpoint = "tcp://127.0.0.1:2377"
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swarmMode = true
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```
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```yaml tab="File (YAML)"
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providers:
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docker:
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@ -59,7 +80,7 @@ Attach labels to your containers and let Traefik do the rest!
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endpoint: "tcp://127.0.0.1:2375"
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swarmMode: true
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```
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```bash tab="CLI"
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--providers.docker.endpoint="tcp://127.0.0.1:2375"
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--providers.docker.swarmMode=true
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@ -85,7 +106,7 @@ Attach labels to your containers and let Traefik do the rest!
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## Routing Configuration
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!!! info "Labels"
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- Labels are case insensitive.
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- The complete list of labels can be found in [the reference page](../../reference/dynamic-configuration/docker.md).
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@ -132,81 +153,81 @@ For example, to change the rule, you could add the label ```traefik.http.routers
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!!! warning "The character `@` is not authorized in the router name `<router_name>`."
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??? info "`traefik.http.routers.<router_name>.rule`"
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See [rule](../routers/index.md#rule) for more information.
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See [rule](../routers/index.md#rule) for more information.
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```yaml
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- "traefik.http.routers.myrouter.rule=Host(`mydomain.com`)"
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```
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??? info "`traefik.http.routers.<router_name>.entrypoints`"
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See [entry points](../routers/index.md#entrypoints) for more information.
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See [entry points](../routers/index.md#entrypoints) for more information.
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```yaml
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- "traefik.http.routers.myrouter.entrypoints=web,websecure"
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```
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??? info "`traefik.http.routers.<router_name>.middlewares`"
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See [middlewares](../routers/index.md#middlewares) and [middlewares overview](../../middlewares/overview.md) for more information.
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See [middlewares](../routers/index.md#middlewares) and [middlewares overview](../../middlewares/overview.md) for more information.
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```yaml
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- "traefik.http.routers.myrouter.middlewares=auth,prefix,cb"
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```
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??? info "`traefik.http.routers.<router_name>.service`"
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See [rule](../routers/index.md#service) for more information.
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See [rule](../routers/index.md#service) for more information.
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```yaml
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- "traefik.http.routers.myrouter.service=myservice"
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```
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??? info "`traefik.http.routers.<router_name>.tls`"
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See [tls](../routers/index.md#tls) for more information.
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```yaml
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- "traefik.http.routers.myrouter.tls=true"
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```
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??? info "`traefik.http.routers.<router_name>.tls.certresolver`"
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See [certResolver](../routers/index.md#certresolver) for more information.
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```yaml
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- "traefik.http.routers.myrouter.tls.certresolver=myresolver"
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```
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??? info "`traefik.http.routers.<router_name>.tls.domains[n].main`"
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See [domains](../routers/index.md#domains) for more information.
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```yaml
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- "traefik.http.routers.myrouter.tls.domains[0].main=foobar.com"
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```
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??? info "`traefik.http.routers.<router_name>.tls.domains[n].sans`"
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See [domains](../routers/index.md#domains) for more information.
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```yaml
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- "traefik.http.routers.myrouter.tls.domains[0].sans=test.foobar.com,dev.foobar.com"
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```
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??? info "`traefik.http.routers.<router_name>.tls.options`"
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See [options](../routers/index.md#options) for more information.
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```yaml
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- "traefik.http.routers.myrouter.tls.options=foobar"
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```
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??? info "`traefik.http.routers.<router_name>.priority`"
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See [options](../routers/index.md#priority) for more information.
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```yaml
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- "traefik.http.routers.myrouter.priority=42"
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```
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@ -222,124 +243,124 @@ you'd add the label `traefik.http.services.<name-of-your-choice>.loadbalancer.pa
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!!! warning "The character `@` is not authorized in the service name `<service_name>`."
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??? info "`traefik.http.services.<service_name>.loadbalancer.server.port`"
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Registers a port.
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Useful when the container exposes multiples ports.
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Mandatory for Docker Swarm.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.server.port=8080"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.server.scheme`"
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Overrides the default scheme.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.server.scheme=http"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.passhostheader`"
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See [pass Host header](../services/index.md#pass-host-header) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.passhostheader=true"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.healthcheck.headers.<header_name>`"
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See [health check](../services/index.md#health-check) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.healthcheck.headers.X-Foo=foobar"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.healthcheck.hostname`"
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See [health check](../services/index.md#health-check) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.healthcheck.hostname=foobar.com"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.healthcheck.interval`"
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See [health check](../services/index.md#health-check) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.healthcheck.interval=10"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.healthcheck.path`"
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See [health check](../services/index.md#health-check) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.healthcheck.path=/foo"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.healthcheck.port`"
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See [health check](../services/index.md#health-check) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.healthcheck.port=42"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.healthcheck.scheme`"
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See [health check](../services/index.md#health-check) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.healthcheck.scheme=http"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.healthcheck.timeout`"
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See [health check](../services/index.md#health-check) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.healthcheck.timeout=10"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.sticky`"
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See [sticky sessions](../services/index.md#sticky-sessions) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.sticky=true"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.sticky.cookie.httponly`"
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See [sticky sessions](../services/index.md#sticky-sessions) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.sticky.cookie.httponly=true"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.sticky.cookie.name`"
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See [sticky sessions](../services/index.md#sticky-sessions) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.sticky.cookie.name=foobar"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.sticky.cookie.secure`"
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See [sticky sessions](../services/index.md#sticky-sessions) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.sticky.cookie.secure=true"
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```
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??? info "`traefik.http.services.<service_name>.loadbalancer.responseforwarding.flushinterval`"
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See [response forwarding](../services/index.md#response-forwarding) for more information.
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```yaml
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- "traefik.http.services.myservice.loadbalancer.responseforwarding.flushinterval=10"
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```
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@ -397,73 +418,73 @@ You can declare TCP Routers and/or Services using labels.
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#### TCP Routers
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??? info "`traefik.tcp.routers.<router_name>.entrypoints`"
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See [entry points](../routers/index.md#entrypoints_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.entrypoints=ep1,ep2"
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```
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??? info "`traefik.tcp.routers.<router_name>.rule`"
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See [rule](../routers/index.md#rule_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.rule=HostSNI(`myhost.com`)"
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```
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??? info "`traefik.tcp.routers.<router_name>.service`"
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See [service](../routers/index.md#services) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.service=myservice"
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```
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??? info "`traefik.tcp.routers.<router_name>.tls`"
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See [TLS](../routers/index.md#tls_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.tls=true"
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```
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??? info "`traefik.tcp.routers.<router_name>.tls.certresolver`"
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See [certResolver](../routers/index.md#certresolver_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.tls.certresolver=myresolver"
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```
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??? info "`traefik.tcp.routers.<router_name>.tls.domains[n].main`"
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See [domains](../routers/index.md#domains_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.tls.domains[0].main=foobar.com"
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```
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??? info "`traefik.tcp.routers.<router_name>.tls.domains[n].sans`"
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See [domains](../routers/index.md#domains_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.tls.domains[0].sans=test.foobar.com,dev.foobar.com"
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```
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??? info "`traefik.tcp.routers.<router_name>.tls.options`"
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See [options](../routers/index.md#options_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.tls.options=mysoptions"
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```
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??? info "`traefik.tcp.routers.<router_name>.tls.passthrough`"
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See [TLS](../routers/index.md#tls_1) for more information.
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```yaml
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- "traefik.tcp.routers.mytcprouter.tls.passthrough=true"
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```
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@ -471,17 +492,17 @@ You can declare TCP Routers and/or Services using labels.
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#### TCP Services
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??? info "`traefik.tcp.services.<service_name>.loadbalancer.server.port`"
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Registers a port of the application.
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```yaml
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- "traefik.tcp.services.mytcpservice.loadbalancer.server.port=423"
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```
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??? info "`traefik.tcp.services.<service_name>.loadbalancer.terminationdelay`"
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See [termination delay](../services/index.md#termination-delay) for more information.
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```yaml
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- "traefik.tcp.services.mytcpservice.loadbalancer.terminationdelay=100"
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```
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