Introduce trace verbosity config and produce less spans by default

docs/content/reference/static-configuration/cli-ref.md

@@ -283,13 +283,16 @@ HTTP/3 configuration. (Default: ```false```)
 UDP port to advertise, on which HTTP/3 is available. (Default: ```0```)
 
 `--entrypoints.<name>.observability.accesslogs`:  
- (Default: ```true```)
+Enables access-logs for this entryPoint. (Default: ```true```)
 
 `--entrypoints.<name>.observability.metrics`:  
- (Default: ```true```)
+Enables metrics for this entryPoint. (Default: ```true```)
+
+`--entrypoints.<name>.observability.traceverbosity`:  
+Defines the tracing verbosity level for this entryPoint. (Default: ```minimal```)
 
 `--entrypoints.<name>.observability.tracing`:  
- (Default: ```true```)
+Enables tracing for this entryPoint. (Default: ```true```)
 
 `--entrypoints.<name>.proxyprotocol`:  
 Proxy-Protocol configuration. (Default: ```false```)

docs/content/reference/static-configuration/env-ref.md

@@ -283,13 +283,16 @@ Subject alternative names.
 Default TLS options for the routers linked to the entry point.
 
 `TRAEFIK_ENTRYPOINTS_<NAME>_OBSERVABILITY_ACCESSLOGS`:  
- (Default: ```true```)
+Enables access-logs for this entryPoint. (Default: ```true```)
 
 `TRAEFIK_ENTRYPOINTS_<NAME>_OBSERVABILITY_METRICS`:  
- (Default: ```true```)
+Enables metrics for this entryPoint. (Default: ```true```)
+
+`TRAEFIK_ENTRYPOINTS_<NAME>_OBSERVABILITY_TRACEVERBOSITY`:  
+Defines the tracing verbosity level for this entryPoint. (Default: ```minimal```)
 
 `TRAEFIK_ENTRYPOINTS_<NAME>_OBSERVABILITY_TRACING`:  
- (Default: ```true```)
+Enables tracing for this entryPoint. (Default: ```true```)
 
 `TRAEFIK_ENTRYPOINTS_<NAME>_PROXYPROTOCOL`:  
 Proxy-Protocol configuration. (Default: ```false```)

docs/content/reference/static-configuration/file.toml

@@ -80,8 +80,9 @@
       timeout = "42s"
     [entryPoints.EntryPoint0.observability]
       accessLogs = true
-      tracing = true
       metrics = true
+      tracing = true
+      traceVerbosity = "foobar"
 
 [providers]
   providersThrottleDuration = "42s"

docs/content/reference/static-configuration/file.yaml

@@ -94,8 +94,9 @@ entryPoints:
       timeout: 42s
     observability:
       accessLogs: true
-      tracing: true
       metrics: true
+      tracing: true
+      traceVerbosity: foobar
 providers:
   providersThrottleDuration: 42s
   docker: