feat: user node user for all the operations instead of root

Dockerfile

@@ -1,14 +1,18 @@
 FROM node:22-alpine
 
-WORKDIR /app
+ENV NPM_CONFIG_PREFIX=/home/node/.npm-global
+ENV PATH=$NPM_CONFIG_PREFIX/bin:$PATH
+ENV NODE_ENV=production
+ENV CLAUDE_CONFIG_DIR=/home/node/.claude
+
+USER node
+
+WORKDIR /home/node/app
+
 RUN npm install -g @anthropic-ai/claude-code
 
-RUN apk add --no-cache bash
-
-ENV NODE_ENV=production
-ENV CLAUDE_CONFIG_DIR=/root/.claude
-
-# Ensure config directory exists
 RUN mkdir -p $CLAUDE_CONFIG_DIR
 
-ENTRYPOINT ["/bin/bash", "-c", "claude; exec /bin/bash"]
+# Since we destroy the container after exiting, claude code never gets updated. 
+# Updating at the start making sure its up to date.
+ENTRYPOINT ["/bin/sh", "-c", "npm update -g @anthropic-ai/claude-code; claude; exec /bin/sh"]