diff --git a/container/Dockerfile b/container/Dockerfile
index 106782f6..4d614340 100644
--- a/container/Dockerfile
+++ b/container/Dockerfile
@@ -12,25 +12,28 @@ ADD https://astral.sh/uv/install.sh /uv-installer.sh
 # Run the installer then remove it
 RUN sh /uv-installer.sh && rm /uv-installer.sh
 
-# Create user with sudo privileges
-#RUN useradd -m -s /bin/bash claude && \
+## set your userid/grupid 
+#ARG UID=1001
+#ARG GID=1001
+#
+## Create user with sudo privileges
+#RUN groupadd -g $GID claude && useradd -u $UID -g $GID -m -s /bin/bash claude && \
 #    echo 'claude ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
 
-# Switch to claude user
-#USER claude
-WORKDIR /workspace
+# uid/gid 1000
+USER ubuntu
+WORKDIR /home/ubuntu/workspace
 
 # Configure npm global directory and install Claude Code
-RUN npm config set prefix '/root/.npm-global' && \
+RUN npm config set prefix '/home/ubuntu/.npm-global' && \
     npm install -g @anthropic-ai/claude-code
 
 # Add npm global bin to PATH
-ENV PATH="/root/.npm-global/bin:$PATH"
+ENV PATH="/home/ubuntu/.npm-global/bin:$PATH"
 
 
 # Ensure the installed binary is on the `PATH`
-ENV PATH="/root/.local/bin/:$PATH"
-
+ENV PATH="/home/ubuntu/.local/bin/:$PATH"
 
 RUN claude mcp add serena -- uvx --from git+https://github.com/oraios/serena serena-mcp-server --context ide-assistant --project /workspace
 
diff --git a/container/launch_devcon.sh b/container/launch_devcon.sh
index d7a05557..ac2182f2 100755
--- a/container/launch_devcon.sh
+++ b/container/launch_devcon.sh
@@ -1,4 +1,5 @@
 # Run this script from <tinyusdz> root.
 
 
-podman run -v `pwd`:/workspace  -v $HOME/.claude:/root/.claude -it tinyusdz bash
+podman run --rm --userns=keep-id -v `pwd`:/home/ubuntu/workspace  -v $HOME/.claude.json:/home/ubuntu/.claude.json -v $HOME/.claude:/home/ubuntu/.claude -it tinyusdz claude
+#podman run --rm -v `pwd`:/home/ubuntu/workspace  -v $HOME/.claude.json:/home/ubuntu/.claude.json -v $HOME/.claude:/home/ubuntu/.claude -it tinyusdz bash