Documentation Revamp

Co-authored-by: jbdoumenjou <jb.doumenjou@gmail.com>

docs/content/reference/logs.md

@@ -0,0 +1,53 @@
+# Logs - Reference
+
+## TOML
+
+```toml
+logLevel = "INFO"
+
+[traefikLog]
+  filePath = "/path/to/traefik.log"
+  format   = "json"
+
+[accessLog]
+  filePath = "/path/to/access.log"
+  format = "json"
+
+  [accessLog.filters]
+    statusCodes = ["200", "300-302"]
+    retryAttempts = true
+    minDuration = "10ms"
+
+  [accessLog.fields]
+    defaultMode = "keep"
+    [accessLog.fields.names]
+      "ClientUsername" = "drop"
+      # ...
+
+    [accessLog.fields.headers]
+      defaultMode = "keep"
+      [accessLog.fields.headers.names]
+        "User-Agent" = "redact"
+        "Authorization" = "drop"
+        "Content-Type" = "keep"
+        # ...
+```
+
+## CLI
+
+For more information about the CLI, see the documentation about [Traefik command](../../operations/cli).
+
+```shell
+--logLevel="DEBUG"
+--traefikLog.filePath="/path/to/traefik.log"
+--traefikLog.format="json"
+--accessLog.filePath="/path/to/access.log"
+--accessLog.format="json"
+--accessLog.filters.statusCodes="200,300-302"
+--accessLog.filters.retryAttempts="true"
+--accessLog.filters.minDuration="10ms"
+--accessLog.fields.defaultMode="keep"
+--accessLog.fields.names="Username=drop Hostname=drop"
+--accessLog.fields.headers.defaultMode="keep"
+--accessLog.fields.headers.names="User-Agent=redact Authorization=drop Content-Type=keep"
+```