fix: don't break when logging in with keycloak

.env.sample

@@ -42,6 +42,13 @@ PASSWORD_LOGIN_ENABLED=true
 SQL_LOG_LEVEL=WARN
 ROOT_LOG_LEVEL=WARN
 
+# for nginx
+NGINX_ACCESS_LOG_LOCATION="/dev/null"
+NGINX_ERROR_LOG_LOCATION="/dev/null"
+# Comment the previous two lines and uncomment these to enable logging
+#NGINX_ACCESS_LOG_LOCATION="/dev/stdout"
+#NGINX_ERROR_LOG_LOCATION="/dev/stderr"
+
 ## Privacy
 
 ENABLE_3PID_LOOKUP=true