add base files

Dockerfile

@@ -0,0 +1,20 @@
+# syntax=docker/dockerfile:1
+FROM python:3.13-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+# Install system deps (optional: to build some wheels faster). Kept minimal here.
+WORKDIR /app
+
+# Copy dependency list and install first (leverages Docker layer cache)
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY app ./app
+
+EXPOSE 8000
+
+# Run the FastAPI app with Uvicorn
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]