Update Dockerfile

Dockerfile

@@ -11,7 +11,12 @@ WORKDIR /code
 
 # Copy package.json and install dependencies
 COPY package*.json ./
-RUN chmod 644 package*.json
+
+# Change ownership of the files to allow npm install
+RUN chown -R node:node /code
+
+# Switch to the node user
+USER node
 
 RUN npm install