Add Dockerfile

Dockerfile

@@ -0,0 +1,25 @@
+# Use a lightweight Python image
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies (optional but safe)
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first (better Docker caching)
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY app.py .
+
+# Expose the port Gunicorn will listen on
+EXPOSE 3001
+
+# Run Gunicorn
+CMD ["gunicorn", "--bind", "0.0.0.0:3001", "app:app"]