chore: added user to group

Dockerfile

@@ -46,10 +46,11 @@ ENV TZ=Asia/Kuala_Lumpur \
 
 COPY entrypoint.sh.template entrypoint.sh
 
-RUN mkdir /app
-RUN chown -R 1000:1000 /app
-
-RUN useradd -m -u 1000 user
+RUN mkdir /app && \
+    chown -R 1000:1000 /app && \
+    # Use the `addgroup` command to create the group before creating the user
+    addgroup -g 1000 user && \
+    useradd -m -u 1000 -g 1000 user
 
 # Switch to the "user" user
 USER user
@@ -57,8 +58,8 @@ USER user
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 
-RUN npm config set prefix /home/user/.local
-RUN npm install -g pm2
+RUN npm config set prefix /home/user/.local && \
+    npm install -g pm2
 
 COPY --from=chatui-builder --chown=1000 /app/chat-ui/node_modules /app/node_modules
 COPY --from=chatui-builder --chown=1000 /app/chat-ui/package.json /app/package.json