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Static Configuration: Environment variables

TRAEFIK_ACCESSLOG:
Access log settings. (Default: false)

TRAEFIK_ACCESSLOG_BUFFERINGSIZE:
Number of access log lines to process in a buffered way. (Default: 0)

TRAEFIK_ACCESSLOG_FIELDS_DEFAULTMODE:
Default mode for fields: keep | drop (Default: keep)

TRAEFIK_ACCESSLOG_FIELDS_HEADERS_DEFAULTMODE:
Default mode for fields: keep | drop | redact (Default: drop)

TRAEFIK_ACCESSLOG_FIELDS_HEADERS_NAMES_<NAME>:
Override mode for headers

TRAEFIK_ACCESSLOG_FIELDS_NAMES_<NAME>:
Override mode for fields

TRAEFIK_ACCESSLOG_FILEPATH:
Access log file path. Stdout is used when omitted or empty.

TRAEFIK_ACCESSLOG_FILTERS_MINDURATION:
Keep access logs when request took longer than the specified duration. (Default: 0)

TRAEFIK_ACCESSLOG_FILTERS_RETRYATTEMPTS:
Keep access logs when at least one retry happened. (Default: false)

TRAEFIK_ACCESSLOG_FILTERS_STATUSCODES:
Keep access logs with status codes in the specified range.

TRAEFIK_ACCESSLOG_FORMAT:
Access log format: json | common (Default: common)

TRAEFIK_API:
Enable api/dashboard. (Default: false)

TRAEFIK_API_DASHBOARD:
Activate dashboard. (Default: true)

TRAEFIK_API_DEBUG:
Enable additional endpoints for debugging and profiling. (Default: false)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>:
Certificates resolvers configuration. (Default: false)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_CASERVER:
CA server to use. (Default: https://acme-v02.api.letsencrypt.org/directory)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_DNSCHALLENGE:
Activate DNS-01 Challenge. (Default: false)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_DNSCHALLENGE_DELAYBEFORECHECK:
Assume DNS propagates after a delay in seconds rather than finding and querying nameservers. (Default: 0)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_DNSCHALLENGE_DISABLEPROPAGATIONCHECK:
Disable the DNS propagation checks before notifying ACME that the DNS challenge is ready. [not recommended] (Default: false)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_DNSCHALLENGE_PROVIDER:
Use a DNS-01 based challenge provider rather than HTTPS.

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_DNSCHALLENGE_RESOLVERS:
Use following DNS servers to resolve the FQDN authority.

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_EMAIL:
Email address used for registration.

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_HTTPCHALLENGE:
Activate HTTP-01 Challenge. (Default: false)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_HTTPCHALLENGE_ENTRYPOINT:
HTTP challenge EntryPoint

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_KEYTYPE:
KeyType used for generating certificate private key. Allow value 'EC256', 'EC384', 'RSA2048', 'RSA4096', 'RSA8192'. (Default: RSA4096)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_STORAGE:
Storage to use. (Default: acme.json)

TRAEFIK_CERTIFICATESRESOLVERS_<NAME>_ACME_TLSCHALLENGE:
Activate TLS-ALPN-01 Challenge. (Default: true)

TRAEFIK_ENTRYPOINTS_<NAME>:
Entry points definition. (Default: false)

TRAEFIK_ENTRYPOINTS_<NAME>_ADDRESS:
Entry point address.

TRAEFIK_ENTRYPOINTS_<NAME>_FORWARDEDHEADERS_INSECURE:
Trust all forwarded headers. (Default: false)

TRAEFIK_ENTRYPOINTS_<NAME>_FORWARDEDHEADERS_TRUSTEDIPS:
Trust only forwarded headers from selected IPs.

TRAEFIK_ENTRYPOINTS_<NAME>_PROXYPROTOCOL:
Proxy-Protocol configuration. (Default: false)

TRAEFIK_ENTRYPOINTS_<NAME>_PROXYPROTOCOL_INSECURE:
Trust all. (Default: false)

TRAEFIK_ENTRYPOINTS_<NAME>_PROXYPROTOCOL_TRUSTEDIPS:
Trust only selected IPs.

TRAEFIK_ENTRYPOINTS_<NAME>_TRANSPORT_LIFECYCLE_GRACETIMEOUT:
Duration to give active requests a chance to finish before Traefik stops. (Default: 10)

TRAEFIK_ENTRYPOINTS_<NAME>_TRANSPORT_LIFECYCLE_REQUESTACCEPTGRACETIMEOUT:
Duration to keep accepting requests before Traefik initiates the graceful shutdown procedure. (Default: 0)

TRAEFIK_ENTRYPOINTS_<NAME>_TRANSPORT_RESPONDINGTIMEOUTS_IDLETIMEOUT:
IdleTimeout is the maximum amount duration an idle (keep-alive) connection will remain idle before closing itself. If zero, no timeout is set. (Default: 180)

TRAEFIK_ENTRYPOINTS_<NAME>_TRANSPORT_RESPONDINGTIMEOUTS_READTIMEOUT:
ReadTimeout is the maximum duration for reading the entire request, including the body. If zero, no timeout is set. (Default: 0)

TRAEFIK_ENTRYPOINTS_<NAME>_TRANSPORT_RESPONDINGTIMEOUTS_WRITETIMEOUT:
WriteTimeout is the maximum duration before timing out writes of the response. If zero, no timeout is set. (Default: 0)

TRAEFIK_GLOBAL_CHECKNEWVERSION:
Periodically check if a new version has been released. (Default: false)

TRAEFIK_GLOBAL_SENDANONYMOUSUSAGE:
Periodically send anonymous usage statistics. If the option is not specified, it will be enabled by default. (Default: false)

TRAEFIK_HOSTRESOLVER:
Enable CNAME Flattening. (Default: false)

TRAEFIK_HOSTRESOLVER_CNAMEFLATTENING:
A flag to enable/disable CNAME flattening (Default: false)

TRAEFIK_HOSTRESOLVER_RESOLVCONFIG:
resolv.conf used for DNS resolving (Default: /etc/resolv.conf)

TRAEFIK_HOSTRESOLVER_RESOLVDEPTH:
The maximal depth of DNS recursive resolving (Default: 5)

TRAEFIK_LOG:
Traefik log settings. (Default: false)

TRAEFIK_LOG_FILEPATH:
Traefik log file path. Stdout is used when omitted or empty.

TRAEFIK_LOG_FORMAT:
Traefik log format: json | common (Default: common)

TRAEFIK_LOG_LEVEL:
Log level set to traefik logs. (Default: ERROR)

TRAEFIK_METRICS_DATADOG:
DataDog metrics exporter type. (Default: false)

TRAEFIK_METRICS_DATADOG_ADDENTRYPOINTSLABELS:
Enable metrics on entry points. (Default: true)

TRAEFIK_METRICS_DATADOG_ADDRESS:
DataDog's address. (Default: localhost:8125)

TRAEFIK_METRICS_DATADOG_ADDSERVICESLABELS:
Enable metrics on services. (Default: true)

TRAEFIK_METRICS_DATADOG_PUSHINTERVAL:
DataDog push interval. (Default: 10)

TRAEFIK_METRICS_INFLUXDB:
InfluxDB metrics exporter type. (Default: false)

TRAEFIK_METRICS_INFLUXDB_ADDENTRYPOINTSLABELS:
Enable metrics on entry points. (Default: true)

TRAEFIK_METRICS_INFLUXDB_ADDRESS:
InfluxDB address. (Default: localhost:8089)

TRAEFIK_METRICS_INFLUXDB_ADDSERVICESLABELS:
Enable metrics on services. (Default: true)

TRAEFIK_METRICS_INFLUXDB_DATABASE:
InfluxDB database used when protocol is http.

TRAEFIK_METRICS_INFLUXDB_PASSWORD:
InfluxDB password (only with http).

TRAEFIK_METRICS_INFLUXDB_PROTOCOL:
InfluxDB address protocol (udp or http). (Default: udp)

TRAEFIK_METRICS_INFLUXDB_PUSHINTERVAL:
InfluxDB push interval. (Default: 10)

TRAEFIK_METRICS_INFLUXDB_RETENTIONPOLICY:
InfluxDB retention policy used when protocol is http.

TRAEFIK_METRICS_INFLUXDB_USERNAME:
InfluxDB username (only with http).

TRAEFIK_METRICS_PROMETHEUS:
Prometheus metrics exporter type. (Default: false)

TRAEFIK_METRICS_PROMETHEUS_ADDENTRYPOINTSLABELS:
Enable metrics on entry points. (Default: true)

TRAEFIK_METRICS_PROMETHEUS_ADDSERVICESLABELS:
Enable metrics on services. (Default: true)

TRAEFIK_METRICS_PROMETHEUS_BUCKETS:
Buckets for latency metrics. (Default: 0.100000, 0.300000, 1.200000, 5.000000)

TRAEFIK_METRICS_STATSD:
StatsD metrics exporter type. (Default: false)

TRAEFIK_METRICS_STATSD_ADDENTRYPOINTSLABELS:
Enable metrics on entry points. (Default: true)

TRAEFIK_METRICS_STATSD_ADDRESS:
StatsD address. (Default: localhost:8125)

TRAEFIK_METRICS_STATSD_ADDSERVICESLABELS:
Enable metrics on services. (Default: true)

TRAEFIK_METRICS_STATSD_PUSHINTERVAL:
StatsD push interval. (Default: 10)

TRAEFIK_PING:
Enable ping. (Default: true)

TRAEFIK_PROVIDERS_DOCKER:
Enable Docker backend with default settings. (Default: false)

TRAEFIK_PROVIDERS_DOCKER_CONSTRAINTS:
Constraints is an expression that Traefik matches against the container's labels to determine whether to create any route for that container.

TRAEFIK_PROVIDERS_DOCKER_DEFAULTRULE:
Default rule. (Default: Host(`{{ normalize .Name }}`))

TRAEFIK_PROVIDERS_DOCKER_ENDPOINT:
Docker server endpoint. Can be a tcp or a unix socket endpoint. (Default: unix:///var/run/docker.sock)

TRAEFIK_PROVIDERS_DOCKER_EXPOSEDBYDEFAULT:
Expose containers by default. (Default: true)

TRAEFIK_PROVIDERS_DOCKER_NETWORK:
Default Docker network used.

TRAEFIK_PROVIDERS_DOCKER_SWARMMODE:
Use Docker on Swarm Mode. (Default: false)

TRAEFIK_PROVIDERS_DOCKER_SWARMMODEREFRESHSECONDS:
Polling interval for swarm mode. (Default: 15)

TRAEFIK_PROVIDERS_DOCKER_TLS_CA:
TLS CA

TRAEFIK_PROVIDERS_DOCKER_TLS_CAOPTIONAL:
TLS CA.Optional (Default: false)

TRAEFIK_PROVIDERS_DOCKER_TLS_CERT:
TLS cert

TRAEFIK_PROVIDERS_DOCKER_TLS_INSECURESKIPVERIFY:
TLS insecure skip verify (Default: false)

TRAEFIK_PROVIDERS_DOCKER_TLS_KEY:
TLS key

TRAEFIK_PROVIDERS_DOCKER_USEBINDPORTIP:
Use the ip address from the bound port, rather than from the inner network. (Default: false)

TRAEFIK_PROVIDERS_DOCKER_WATCH:
Watch provider. (Default: true)

TRAEFIK_PROVIDERS_FILE_DEBUGLOGGENERATEDTEMPLATE:
Enable debug logging of generated configuration template. (Default: false)

TRAEFIK_PROVIDERS_FILE_DIRECTORY:
Load configuration from one or more .toml files in a directory.

TRAEFIK_PROVIDERS_FILE_FILENAME:
Override default configuration template. For advanced users :)

TRAEFIK_PROVIDERS_FILE_WATCH:
Watch provider. (Default: true)

TRAEFIK_PROVIDERS_KUBERNETESCRD:
Enable Kubernetes backend with default settings. (Default: false)

TRAEFIK_PROVIDERS_KUBERNETESCRD_CERTAUTHFILEPATH:
Kubernetes certificate authority file path (not needed for in-cluster client).

TRAEFIK_PROVIDERS_KUBERNETESCRD_DISABLEPASSHOSTHEADERS:
Kubernetes disable PassHost Headers. (Default: false)

TRAEFIK_PROVIDERS_KUBERNETESCRD_ENDPOINT:
Kubernetes server endpoint (required for external cluster client).

TRAEFIK_PROVIDERS_KUBERNETESCRD_INGRESSCLASS:
Value of kubernetes.io/ingress.class annotation to watch for.

TRAEFIK_PROVIDERS_KUBERNETESCRD_LABELSELECTOR:
Kubernetes label selector to use.

TRAEFIK_PROVIDERS_KUBERNETESCRD_NAMESPACES:
Kubernetes namespaces.

TRAEFIK_PROVIDERS_KUBERNETESCRD_TOKEN:
Kubernetes bearer token (not needed for in-cluster client).

TRAEFIK_PROVIDERS_KUBERNETESINGRESS:
Enable Kubernetes backend with default settings. (Default: false)

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_CERTAUTHFILEPATH:
Kubernetes certificate authority file path (not needed for in-cluster client).

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_DISABLEPASSHOSTHEADERS:
Kubernetes disable PassHost Headers. (Default: false)

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_ENDPOINT:
Kubernetes server endpoint (required for external cluster client).

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_INGRESSCLASS:
Value of kubernetes.io/ingress.class annotation to watch for.

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_INGRESSENDPOINT_HOSTNAME:
Hostname used for Kubernetes Ingress endpoints.

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_INGRESSENDPOINT_IP:
IP used for Kubernetes Ingress endpoints.

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_INGRESSENDPOINT_PUBLISHEDSERVICE:
Published Kubernetes Service to copy status from.

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_LABELSELECTOR:
Kubernetes Ingress label selector to use.

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_NAMESPACES:
Kubernetes namespaces.

TRAEFIK_PROVIDERS_KUBERNETESINGRESS_TOKEN:
Kubernetes bearer token (not needed for in-cluster client).

TRAEFIK_PROVIDERS_MARATHON:
Enable Marathon backend with default settings. (Default: false)

TRAEFIK_PROVIDERS_MARATHON_BASIC_HTTPBASICAUTHUSER:
Basic authentication User.

TRAEFIK_PROVIDERS_MARATHON_BASIC_HTTPBASICPASSWORD:
Basic authentication Password.

TRAEFIK_PROVIDERS_MARATHON_CONSTRAINTS:
Constraints is an expression that Traefik matches against the application's labels to determine whether to create any route for that application.

TRAEFIK_PROVIDERS_MARATHON_DCOSTOKEN:
DCOSToken for DCOS environment, This will override the Authorization header.

TRAEFIK_PROVIDERS_MARATHON_DEFAULTRULE:
Default rule. (Default: Host(`{{ normalize .Name }}`))

TRAEFIK_PROVIDERS_MARATHON_DIALERTIMEOUT:
Set a dialer timeout for Marathon. (Default: 5)

TRAEFIK_PROVIDERS_MARATHON_ENDPOINT:
Marathon server endpoint. You can also specify multiple endpoint for Marathon. (Default: http://127.0.0.1:8080)

TRAEFIK_PROVIDERS_MARATHON_EXPOSEDBYDEFAULT:
Expose Marathon apps by default. (Default: true)

TRAEFIK_PROVIDERS_MARATHON_FORCETASKHOSTNAME:
Force to use the task's hostname. (Default: false)

TRAEFIK_PROVIDERS_MARATHON_KEEPALIVE:
Set a TCP Keep Alive time. (Default: 10)

TRAEFIK_PROVIDERS_MARATHON_RESPECTREADINESSCHECKS:
Filter out tasks with non-successful readiness checks during deployments. (Default: false)

TRAEFIK_PROVIDERS_MARATHON_RESPONSEHEADERTIMEOUT:
Set a response header timeout for Marathon. (Default: 60)

TRAEFIK_PROVIDERS_MARATHON_TLSHANDSHAKETIMEOUT:
Set a TLS handshake timeout for Marathon. (Default: 5)

TRAEFIK_PROVIDERS_MARATHON_TLS_CA:
TLS CA

TRAEFIK_PROVIDERS_MARATHON_TLS_CAOPTIONAL:
TLS CA.Optional (Default: false)

TRAEFIK_PROVIDERS_MARATHON_TLS_CERT:
TLS cert

TRAEFIK_PROVIDERS_MARATHON_TLS_INSECURESKIPVERIFY:
TLS insecure skip verify (Default: false)

TRAEFIK_PROVIDERS_MARATHON_TLS_KEY:
TLS key

TRAEFIK_PROVIDERS_MARATHON_TRACE:
Display additional provider logs. (Default: false)

TRAEFIK_PROVIDERS_MARATHON_WATCH:
Watch provider. (Default: true)

TRAEFIK_PROVIDERS_PROVIDERSTHROTTLEDURATION:
Backends throttle duration: minimum duration between 2 events from providers before applying a new configuration. It avoids unnecessary reloads if multiples events are sent in a short amount of time. (Default: 0)

TRAEFIK_PROVIDERS_RANCHER:
Enable Rancher backend with default settings. (Default: false)

TRAEFIK_PROVIDERS_RANCHER_CONSTRAINTS:
Constraints is an expression that Traefik matches against the container's labels to determine whether to create any route for that container.

TRAEFIK_PROVIDERS_RANCHER_DEFAULTRULE:
Default rule. (Default: Host(`{{ normalize .Name }}`))

TRAEFIK_PROVIDERS_RANCHER_ENABLESERVICEHEALTHFILTER:
Filter services with unhealthy states and inactive states. (Default: true)

TRAEFIK_PROVIDERS_RANCHER_EXPOSEDBYDEFAULT:
Expose containers by default. (Default: true)

TRAEFIK_PROVIDERS_RANCHER_INTERVALPOLL:
Poll the Rancher metadata service every 'rancher.refreshseconds' (less accurate). (Default: false)

TRAEFIK_PROVIDERS_RANCHER_PREFIX:
Prefix used for accessing the Rancher metadata service. (Default: latest)

TRAEFIK_PROVIDERS_RANCHER_REFRESHSECONDS:
Defines the polling interval in seconds. (Default: 15)

TRAEFIK_PROVIDERS_RANCHER_WATCH:
Watch provider. (Default: true)

TRAEFIK_PROVIDERS_REST:
Enable Rest backend with default settings. (Default: true)

TRAEFIK_SERVERSTRANSPORT_FORWARDINGTIMEOUTS_DIALTIMEOUT:
The amount of time to wait until a connection to a backend server can be established. If zero, no timeout exists. (Default: 30)

TRAEFIK_SERVERSTRANSPORT_FORWARDINGTIMEOUTS_IDLECONNTIMEOUT:
The maximum period for which an idle HTTP keep-alive connection will remain open before closing itself (Default: 90)

TRAEFIK_SERVERSTRANSPORT_FORWARDINGTIMEOUTS_RESPONSEHEADERTIMEOUT:
The amount of time to wait for a server's response headers after fully writing the request (including its body, if any). If zero, no timeout exists. (Default: 0)

TRAEFIK_SERVERSTRANSPORT_INSECURESKIPVERIFY:
Disable SSL certificate verification. (Default: false)

TRAEFIK_SERVERSTRANSPORT_MAXIDLECONNSPERHOST:
If non-zero, controls the maximum idle (keep-alive) to keep per-host. If zero, DefaultMaxIdleConnsPerHost is used (Default: 0)

TRAEFIK_SERVERSTRANSPORT_ROOTCAS:
Add cert file for self-signed certificate.

TRAEFIK_TRACING:
OpenTracing configuration. (Default: false)

TRAEFIK_TRACING_DATADOG:
Settings for DataDog. (Default: false)

TRAEFIK_TRACING_DATADOG_BAGAGEPREFIXHEADERNAME:
Specifies the header name prefix that will be used to store baggage items in a map.

TRAEFIK_TRACING_DATADOG_DEBUG:
Enable DataDog debug. (Default: false)

TRAEFIK_TRACING_DATADOG_GLOBALTAG:
Key:Value tag to be set on all the spans.

TRAEFIK_TRACING_DATADOG_LOCALAGENTHOSTPORT:
Set datadog-agent's host:port that the reporter will used. (Default: localhost:8126)

TRAEFIK_TRACING_DATADOG_PARENTIDHEADERNAME:
Specifies the header name that will be used to store the parent ID.

TRAEFIK_TRACING_DATADOG_PRIORITYSAMPLING:
Enable priority sampling. When using distributed tracing, this option must be enabled in order to get all the parts of a distributed trace sampled. (Default: false)

TRAEFIK_TRACING_DATADOG_SAMPLINGPRIORITYHEADERNAME:
Specifies the header name that will be used to store the sampling priority.

TRAEFIK_TRACING_DATADOG_TRACEIDHEADERNAME:
Specifies the header name that will be used to store the trace ID.

TRAEFIK_TRACING_HAYSTACK:
Settings for Haystack. (Default: false)

TRAEFIK_TRACING_HAYSTACK_BAGGAGEPREFIXHEADERNAME:
Specifies the header name prefix that will be used to store baggage items in a map.

TRAEFIK_TRACING_HAYSTACK_GLOBALTAG:
Key:Value tag to be set on all the spans.

TRAEFIK_TRACING_HAYSTACK_LOCALAGENTHOST:
Set haystack-agent's host that the reporter will used. (Default: LocalAgentHost)

TRAEFIK_TRACING_HAYSTACK_LOCALAGENTPORT:
Set haystack-agent's port that the reporter will used. (Default: 35000)

TRAEFIK_TRACING_HAYSTACK_PARENTIDHEADERNAME:
Specifies the header name that will be used to store the parent ID.

TRAEFIK_TRACING_HAYSTACK_SPANIDHEADERNAME:
Specifies the header name that will be used to store the span ID.

TRAEFIK_TRACING_HAYSTACK_TRACEIDHEADERNAME:
Specifies the header name that will be used to store the trace ID.

TRAEFIK_TRACING_INSTANA:
Settings for Instana. (Default: false)

TRAEFIK_TRACING_INSTANA_LOCALAGENTHOST:
Set instana-agent's host that the reporter will used. (Default: localhost)

TRAEFIK_TRACING_INSTANA_LOCALAGENTPORT:
Set instana-agent's port that the reporter will used. (Default: 42699)

TRAEFIK_TRACING_INSTANA_LOGLEVEL:
Set instana-agent's log level. ('error','warn','info','debug') (Default: info)

TRAEFIK_TRACING_JAEGER:
Settings for Jaeger. (Default: false)

TRAEFIK_TRACING_JAEGER_COLLECTOR_ENDPOINT:
Instructs reporter to send spans to jaeger-collector at this URL.

TRAEFIK_TRACING_JAEGER_COLLECTOR_PASSWORD:
Password for basic http authentication when sending spans to jaeger-collector.

TRAEFIK_TRACING_JAEGER_COLLECTOR_USER:
User for basic http authentication when sending spans to jaeger-collector.

TRAEFIK_TRACING_JAEGER_GEN128BIT:
Generate 128 bit span IDs. (Default: false)

TRAEFIK_TRACING_JAEGER_LOCALAGENTHOSTPORT:
Set jaeger-agent's host:port that the reporter will used. (Default: 127.0.0.1:6831)

TRAEFIK_TRACING_JAEGER_PROPAGATION:
Which propagation format to use (jaeger/b3). (Default: jaeger)

TRAEFIK_TRACING_JAEGER_SAMPLINGPARAM:
Set the sampling parameter. (Default: 1.000000)

TRAEFIK_TRACING_JAEGER_SAMPLINGSERVERURL:
Set the sampling server url. (Default: http://localhost:5778/sampling)

TRAEFIK_TRACING_JAEGER_SAMPLINGTYPE:
Set the sampling type. (Default: const)

TRAEFIK_TRACING_JAEGER_TRACECONTEXTHEADERNAME:
Set the header to use for the trace-id. (Default: uber-trace-id)

TRAEFIK_TRACING_SERVICENAME:
Set the name for this service. (Default: traefik)

TRAEFIK_TRACING_SPANNAMELIMIT:
Set the maximum character limit for Span names (default 0 = no limit). (Default: 0)

TRAEFIK_TRACING_ZIPKIN:
Settings for Zipkin. (Default: false)

TRAEFIK_TRACING_ZIPKIN_DEBUG:
Enable Zipkin debug. (Default: false)

TRAEFIK_TRACING_ZIPKIN_HTTPENDPOINT:
HTTP Endpoint to report traces to. (Default: http://localhost:9411/api/v1/spans)

TRAEFIK_TRACING_ZIPKIN_ID128BIT:
Use Zipkin 128 bit root span IDs. (Default: true)

TRAEFIK_TRACING_ZIPKIN_SAMESPAN:
Use Zipkin SameSpan RPC style traces. (Default: false)

TRAEFIK_TRACING_ZIPKIN_SAMPLERATE:
The rate between 0.0 and 1.0 of requests to trace. (Default: 1.000000)