diff --git a/Docker/php/Dockerfile b/Docker/php/Dockerfile
index 24aee3b..90e5acd 100644
--- a/Docker/php/Dockerfile
+++ b/Docker/php/Dockerfile
@@ -44,10 +44,12 @@ COPY ./php-custom.ini /usr/local/etc/php/conf.d/php-custom.ini
 # Xdebug: off by default on CLI (drush, composer) — mode=debug alone still hooks every
 # function call and is what makes CLI commands slow, even with start_with_request=trigger.
 # Use `XDEBUG_MODE=debug XDEBUG_TRIGGER=1 drush ...` (see xdebugon/xdebugoff aliases) to debug a CLI run.
-# FPM loads an extra ini dir that restores mode=debug + start_with_request=yes for web requests.
+# FPM loads an extra ini dir: web debugging stays available (browser XDEBUG_SESSION trigger),
+# but never tries to connect on its own — start_with_request=yes cost a ~15s connect timeout
+# on every request served by a cold worker when no IDE listens on 9001.
 RUN printf "xdebug.mode=off\nxdebug.start_with_request=trigger\n" > /usr/local/etc/php/conf.d/zz-xdebug-cli.ini && \
     mkdir -p /usr/local/etc/php/fpm-conf.d && \
-    printf "xdebug.mode=debug\nxdebug.start_with_request=yes\n" > /usr/local/etc/php/fpm-conf.d/zz-xdebug-fpm.ini
+    printf "xdebug.mode=debug\nxdebug.start_with_request=trigger\n" > /usr/local/etc/php/fpm-conf.d/zz-xdebug-fpm.ini
 # COPY ./php-fpm-custom.conf /usr/local/etc/php-fpm.d/php-fpm-custom.conf