fixed a silly dockerfile issue, I think

Dockerfile

@@ -21,8 +21,7 @@ RUN pip install --upgrade pip && pip install --no-cache-dir -r requirements.txt
 COPY . /app
 
 # Make start.sh executable
-COPY start.sh .
-RUN chmod +x ./start.sh
+RUN chmod +x /app/start.sh
 
 # Expose the port the app runs on
 EXPOSE 1986