Add log-level config option

configuration.rst

@@ -43,6 +43,7 @@ server-host              String  !4
 server-port              Int     3000
 server-unix-socket       String
 server-unix-socket-mode  String  660
+log-level                String  error
 openapi-mode             String  follow-privileges
 openapi-server-proxy-uri String
 jwt-secret               String
@@ -176,12 +177,33 @@ server-unix-socket-mode
 
     server-unix-socket-mode = "660"
 
+.. _log-level:
+
+log-level
+---------
+
+  Specifies the level of information to be logged while running PostgREST.
+
+  .. code:: bash
+
+      # Only startup and db connection recovery messages are logged
+      log-level = "crit"
+
+      # All the "crit" level events plus server errors (status 5xx) are logged
+      log-level = "error"
+
+      # All the "error" level events plus request errors (status 4xx) are logged
+      log-level = "warning"
+
+      # All the "warning" level events plus all requests (every status code) are logged
+      log-level  "info"
+
 .. _openapi-mode:
 
 openapi-mode
 ------------
 
-  Specifies how the OpenAPI output should be displayed:
+  Specifies how the OpenAPI output should be displayed.
 
   .. code:: bash