feat: Add base project structure with API and web components

api/Dockerfile

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+FROM python:3.12-slim
+USER root
+SHELL ["/bin/bash", "-c"]
+
+ARG NEED_MIRROR=1
+
+WORKDIR /code
+
+# 1. Download dependencies through download_deps.py: python download_deps.py --china-mirrors
+# 2. Copy models
+COPY huggingface.co/InfiniFlow/deepdoc/ /code/res/deepdoc/
+COPY huggingface.co/InfiniFlow/text_concat_xgb_v1.0/ /code/res/text_concat_xgb_v1.0/
+COPY huggingface.co/InfiniFlow/huqie/huqie.txt.trie /code/res/
+
+# https://github.com/chrismattmann/tika-python
+# 3. This is the only way to run python-tika without internet access. Without this set, the default is to check the tika version and pull latest every time from Apache.
+COPY nltk_data/ /root/nltk_data/
+COPY tika-server-standard-3.1.0.jar /tmp/tika-server.jar
+COPY tika-server-standard-3.1.0.jar.md5 /tmp/tika-server.jar.md5
+COPY cl100k_base.tiktoken /code/res/9b5ad71b2ce5302211f9c61530b329a4922fc6a4
+
+ENV TIKA_SERVER_JAR="file:///tmp/tika-server.jar"
+ENV DEBIAN_FRONTEND=noninteractive
+
+# 4. Setup apt
+# Python package and implicit dependencies:
+# opencv-python: libglib2.0-0 libglx-mesa0 libgl1
+# aspose-slides: pkg-config libicu-dev libgdiplus         libssl1.1_1.1.1f-1ubuntu2_amd64.deb
+# python-pptx:   default-jdk                              tika-server-standard-3.0.0.jar
+# Building C extensions: libpython3-dev libgtk-4-1 libnss3 xdg-utils libgbm-dev
+RUN --mount=type=cache,id=mem_apt,target=/var/cache/apt,sharing=locked \
+    apt install -y libicu-dev && \
+    if [ "$NEED_MIRROR" == "1" ]; then \
+        rm -f /etc/apt/sources.list.d/debian.sources && \
+        echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
+        echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+        echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bookworm-backports main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
+        echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list; \
+    fi; \
+    rm -f /etc/apt/apt.conf.d/docker-clean && \
+    echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache && \
+    chmod 1777 /tmp && \
+    apt update && \
+    apt --no-install-recommends install -y ca-certificates && \
+    apt update && \
+    apt install -y libglib2.0-0 libglx-mesa0 libgl1 && \
+    apt install -y pkg-config libgdiplus && \
+    apt install -y default-jdk && \
+    apt install -y libpython3-dev libgtk-4-1 libnss3 xdg-utils libgbm-dev && \
+    apt install -y libjemalloc-dev && \
+    apt install -y python3-pip pipx nginx unzip curl wget git vim less && \
+    apt install -y ghostscript
+
+RUN if [ "$NEED_MIRROR" == "1" ]; then \
+        pip3 config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple && \
+        pip3 config set global.trusted-host pypi.tuna.tsinghua.edu.cn; \
+        mkdir -p /etc/uv && \
+        echo "[[index]]" > /etc/uv/uv.toml && \
+        echo 'url = "https://pypi.tuna.tsinghua.edu.cn/simple"' >> /etc/uv/uv.toml && \
+        echo "default = true" >> /etc/uv/uv.toml; \
+    fi; \
+    pipx install uv
+
+ENV PYTHONDONTWRITEBYTECODE=1 DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
+ENV PATH=/root/.local/bin:$PATH
+
+# https://forum.aspose.com/t/aspose-slides-for-net-no-usable-version-of-libssl-found-with-linux-server/271344/13
+# 5. aspose-slides on linux/arm64 is unavailable
+COPY libssl1.1_1.1.1f-1ubuntu2_amd64.deb libssl1.1_1.1.1f-1ubuntu2_arm64.deb /tmp/
+RUN if [ "$(uname -m)" = "x86_64" ]; then \
+        dpkg -i /tmp/libssl1.1_1.1.1f-1ubuntu2_amd64.deb; \
+    elif [ "$(uname -m)" = "aarch64" ]; then \
+        dpkg -i /tmp/libssl1.1_1.1.1f-1ubuntu2_arm64.deb; \
+    fi && \
+    rm -f /tmp/libssl1.1_*.deb
+
+
+# 6. install dependencies from uv.lock file
+COPY ./pyproject.toml /code/pyproject.toml
+COPY ./uv.lock /code/uv.lock
+COPY ./app /code/app
+
+# https://github.com/astral-sh/uv/issues/10462
+# uv records index url into uv.lock but doesn't failover among multiple indexes
+RUN --mount=type=cache,id=mem_uv,target=/root/.cache/uv,sharing=locked \
+    if [ "$NEED_MIRROR" == "1" ]; then \
+        sed -i 's|pypi.org|pypi.tuna.tsinghua.edu.cn|g' uv.lock; \
+    else \
+        sed -i 's|pypi.tuna.tsinghua.edu.cn|pypi.org|g' uv.lock; \
+    fi; \
+    uv lock && \
+    uv sync --locked --no-dev
+
+ENV PATH=/code/.venv/bin:$PATH
+
+
+