Implemented content upload app with tests and pre-commit hooks

Dockerfile

@@ -0,0 +1,26 @@
+FROM python:3.13-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    UV_PROJECT_ENVIRONMENT=/app/.venv \
+    PATH=/app/.venv/bin:/root/.local/bin:${PATH} \
+    PYTHONPATH=/app/src
+
+WORKDIR /app
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends bash ca-certificates curl \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl -LsSf https://astral.sh/uv/install.sh | sh
+
+COPY pyproject.toml uv.lock README.md ./
+RUN uv sync --frozen --no-dev
+
+COPY src ./src
+COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
+ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
+CMD ["bash"]