Dockerfile

# ---- Base image ----
FROM python:3.11-slim

# ---- Environment ----
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# ---- Install system deps ----
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

# ---- Install Python deps ----
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# ---- Copy application ----
COPY . .

# ---- Expose port ----
EXPOSE 8000

# ---- Healthcheck ----
# Uses curl to hit the FastAPI health endpoint
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD curl -f http://localhost:8000/health || exit 1

# ---- Start server ----
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]