Update Dockerfile

Dockerfile

@@ -1,21 +1,23 @@
-# Use the official Python image as the base
+# syntax=docker/dockerfile:1
+
 FROM python:3.10-slim
 
-# Set working dir
-WORKDIR /app
+# install tini for proper signal forwarding
+RUN apt-get update && apt-get install -y --no-install-recommends tini \
+    && rm -rf /var/lib/apt/lists/*
 
-# Copy & install deps
+WORKDIR /app
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy app files
 COPY . .
 
-# Expose the same port you run on
 EXPOSE 7860
 
-# Make sure PATH includes /app
-ENV PATH="/app:${PATH}"
+# use tini as PID 1 so SIGTERM/SIGINT get forwarded
+ENTRYPOINT ["/usr/bin/tini", "--"]
+
+# default is SIGTERM, but you can override:
+STOPSIGNAL SIGTERM
 
-# Run FastAPI via Uvicorn on port 7860
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]