diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000000..87c485924c
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1 @@
+nodejs 20.15.0
diff --git a/README.md b/README.md
index 0b354bce3c..eb29d51e8a 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+# build custom image
+
+https://github.com/stopsopa/playwright-research?tab=readme-ov-file#todo
+
 # 🎭 Playwright
 
 [![npm version](https://img.shields.io/npm/v/playwright.svg)](https://www.npmjs.com/package/playwright) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-127.0.6533.17-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-127.0-blue.svg?logo=firefoxbrowser)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> <!-- GEN:webkit-version-badge -->[![WebKit version](https://img.shields.io/badge/webkit-17.4-blue.svg?logo=safari)](https://webkit.org/)<!-- GEN:stop -->
diff --git a/utils/docker/Dockerfile.focal b/utils/docker/Dockerfile.focal
index cd1d1d7c6e..adbe922121 100644
--- a/utils/docker/Dockerfile.focal
+++ b/utils/docker/Dockerfile.focal
@@ -46,6 +46,5 @@ RUN mkdir /ms-playwright && \
     npm exec --no -- playwright-core mark-docker-image "${DOCKER_IMAGE_NAME_TEMPLATE}" && \
     npm exec --no -- playwright-core install --with-deps && rm -rf /var/lib/apt/lists/* && \
     rm /tmp/playwright-core.tar.gz && \
-    rm -rf /ms-playwright-agent && \
     rm -rf ~/.npm/ && \
     chmod -R 777 /ms-playwright
diff --git a/utils/docker/build.sh b/utils/docker/build.sh
index 46e8d9e6b6..401a9ad41a 100755
--- a/utils/docker/build.sh
+++ b/utils/docker/build.sh
@@ -17,7 +17,7 @@ if [[ ($1 == '--help') || ($1 == '-h') || ($1 == '') || ($2 == '') ]]; then
 fi
 
 function cleanup() {
-  rm -f "playwright-core.tar.gz"
+  # rm -f "playwright-core.tar.gz"
 }
 
 trap "cleanup; cd $(pwd -P)" EXIT