switch to gunicorn

Dockerfile

@@ -1,19 +1,14 @@
-# Dockerfile for 'Are We Buried?'
 FROM python:3.12-slim
 
-# Set environment
-ENV PYTHONUNBUFFERED=1
 WORKDIR /app
 
-# Install dependencies
-COPY requirements.txt ./
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy application code
-COPY . /app
+COPY app.py .
+COPY templates ./templates
+COPY static ./static
 
-# Expose the Flask port
 EXPOSE 5000
 
-# Run the Flask app
-CMD ["python", "app.py"]
+CMD ["gunicorn", "-b", "0.0.0.0:5000", "app:app"]