Update Dockerfile

Dockerfile

@@ -25,10 +25,20 @@ RUN mkdir -p /root/.ssh && \
     ssh-keygen -t rsa -f /root/.ssh/id_rsa -N '' && \
     chmod 700 /root/.ssh && chmod 600 /root/.ssh/id_rsa
 
-# Dummy file to keep container alive
+# Create non-root user with UID 1000
+RUN useradd -m -u 1000 -s /bin/bash user
+
+# Set environment variables for user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# Create dummy file and set working directory
 RUN mkdir -p /app && echo "Tmate Session Running..." > /app/index.html
 WORKDIR /app
 
+# Switch to non-root user
+USER user
+
 EXPOSE 7860
 
 # Start dummy HTTP server and tmate session