Update image build process

dockerfile

@@ -16,16 +16,16 @@ COPY requirements.txt .
 # Install Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy the rest of the application
-COPY . .
-
 # Create a non-root user
-RUN useradd -m bot
+RUN addgroup -S bot && adduser -S bot -G bot
+
+# Copy the rest of the application
+COPY --chown=bot:bot . .
 
 # Create directories for persistent storage and modify permissions
 RUN mkdir -p logs && \
     chown -R bot:bot logs && \
-    chmod -R 755 logs \
+    chmod -R 755 logs && \
     mkdir -p embed && \
     chown -R bot:bot embed && \
     chmod -R 755 embed \