Add project files: Dockerfile, LICENSE, README, requirements

Dockerfile

@@ -0,0 +1,35 @@
+FROM python:3.11-slim-bookworm AS builder
+
+WORKDIR /build
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY pyproject.toml requirements.txt ./
+RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
+
+FROM python:3.11-slim-bookworm AS runtime
+
+WORKDIR /app
+
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+
+COPY --from=builder /install /usr/local
+COPY pyproject.toml ./
+COPY src/ ./src/
+
+RUN groupadd --gid=1000 appgroup && \
+    useradd --uid=1000 --gid=appgroup --shell /bin/bash --create-home appuser && \
+    chown -R appuser:appgroup /app
+
+USER appuser
+
+EXPOSE 8080
+
+ENTRYPOINT ["python", "-m", "src"]
+
+CMD ["serve"]