diff --git a/dockerfile b/dockerfile
index c2ff2b0..8011f92 100644
--- a/dockerfile
+++ b/dockerfile
@@ -29,9 +29,16 @@ RUN python3.10 -m pip install cpl-cli --extra-index-url https://pip.sh-edraft.de
 RUN python3.10 -m pip install cpl-query --extra-index-url https://pip.sh-edraft.de
 
 # install node
-RUN sud curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
-RUN sudo apt -y install nodejs
-RUN sudo apt -y install npm
+ENV NVM_DIR /usr/local/nvm # or ~/.nvm , depending
+ENV NODE_VERSION 21.2.0
+
+# Install nvm with node and npm
+RUN curl https://raw.githubusercontent.com/creationix/nvm/v0.39.5/install.sh | bash \
+    && . $NVM_DIR/nvm.sh \
+    && sudo nvm install $NODE_VERSION \
+    && sudo nvm alias default $NODE_VERSION \
+    && sudo nvm use default
+
 RUN sudo npm install -g @angular/cli
 RUN sudo npm install -g ts-node