diff --git a/stack_orchestrator/data/container-build/cerc-webapp-base/Dockerfile b/stack_orchestrator/data/container-build/cerc-webapp-base/Dockerfile
index b8319c51..5b119b31 100644
--- a/stack_orchestrator/data/container-build/cerc-webapp-base/Dockerfile
+++ b/stack_orchestrator/data/container-build/cerc-webapp-base/Dockerfile
@@ -1,6 +1,6 @@
 # Originally from: https://github.com/devcontainers/images/blob/main/src/javascript-node/.devcontainer/Dockerfile
 # [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 18, 16, 14, 18-bullseye, 16-bullseye, 14-bullseye, 18-buster, 16-buster, 14-buster
-ARG VARIANT=20-bullseye
+ARG VARIANT=20-bullseye-slim
 FROM node:${VARIANT}
 
 ARG USERNAME=node