Add configuration options for logging

config/server.conf

@@ -23,7 +23,19 @@
 # openapi=
 
 [logging]
-# The file for the logs. Default is stdout ('/proc/self/fd/1').
+# The target for logging. Possible values are `file` and `stdout`.
+# Default is `stdout`. If the value is invalid, the default value is used
+# instead if fail_strict is not true. If it is true and the value is
+# invalid, it fails.
+# logtarget=
+
+# If one of 'true', 'yes', 't', or 'y', stdout is used as a fallback if
+# the logging target is a file and the log file cannot be used for
+# various reasons. Otherwise, the default value for the property
+# logtarget is used as a fallback. Default is false.
+# fail_strict=
+
+# The file for the logs. Default is empty.
 # logfile=
 
 # The log level. Default is INFO.

default_configuration.conf

@@ -11,5 +11,7 @@ redoc=/redoc
 openapi=/openapi.json
 
 [logging]
-logfile=/proc/self/fd/1
+logtarget=stdout
+logfile=
+fail_strict=false
 loglevel=INFO