outposts: use common config loader for outposts to support loading values from file

closes #4383

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

internal/debug/debug.go

@@ -3,8 +3,6 @@ package debug
 import (
 	"net/http"
 	"net/http/pprof"
-	"os"
-	"strings"
 
 	log "github.com/sirupsen/logrus"
 	"goauthentik.io/internal/config"
@@ -12,7 +10,7 @@ import (
 
 func EnableDebugServer() {
 	l := log.WithField("logger", "authentik.go_debugger")
-	if deb := os.Getenv("AUTHENTIK_DEBUG"); strings.ToLower(deb) != "true" {
+	if !config.Get().Debug {
 		l.Info("not enabling debug server, set `AUTHENTIK_DEBUG` to `true` to enable it.")
 		return
 	}