Hello World MCP FastAPI Endpoint

# syntax=docker/dockerfile:1
FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

WORKDIR /app

# System deps only if needed; keep image small
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
  && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN python -m pip install --upgrade pip && \
    python -m pip install -r requirements.txt

COPY app.py .

# Cloud Run injects PORT; default to 8080 locally
EXPOSE 8080
CMD ["sh", "-c", "uvicorn app:app --host 0.0.0.0 --proxy-headers --port ${PORT:-8080}"]