Dockerfile

# syntax=docker/dockerfile:1.7
FROM python:3.11-slim AS builder

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_DEFAULT_TIMEOUT=180

ARG INSTALL_ML=false

WORKDIR /app

RUN --mount=type=cache,target=/var/cache/apt,id=apt-builder,sharing=locked \
    apt-get update && apt-get install -y --no-install-recommends \
    bash \
    gcc \
    make \
    lua5.3 \
    liblua5.3-dev \
    luarocks \
    ca-certificates && \
    LUA_INCDIR=/usr/include/lua5.3 luarocks --lua-version=5.3 install luacheck && \
    apt-get clean && rm -rf /var/lib/apt/lists/*

RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

COPY requirements-heavy.txt ./
RUN --mount=type=cache,target=/root/.cache/pip \
    pip install --prefer-binary --retries 20 -r requirements-heavy.txt

COPY requirements-ml.txt ./
RUN --mount=type=cache,target=/root/.cache/pip \
    if [ "$INSTALL_ML" = "true" ]; then pip install --prefer-binary --retries 20 -r requirements-ml.txt; fi

COPY requirements.txt ./
RUN --mount=type=cache,target=/root/.cache/pip \
    pip install --prefer-binary --retries 20 -r requirements.txt

FROM python:3.11-slim AS runtime

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PATH="/opt/venv/bin:$PATH"

WORKDIR /app

RUN --mount=type=cache,target=/var/cache/apt,id=apt-runtime,sharing=locked \
    apt-get update && apt-get install -y --no-install-recommends \
    bash \
    lua5.3 \
    ca-certificates && \
    apt-get clean && rm -rf /var/lib/apt/lists/*

COPY --from=builder /opt/venv /opt/venv
COPY --from=builder /usr/local/bin/luacheck /usr/local/bin/luacheck
COPY --from=builder /usr/local/share/lua /usr/local/share/lua
COPY --from=builder /usr/local/lib/lua /usr/local/lib/lua

COPY . .

EXPOSE 8080
WORKDIR /app
CMD uvicorn api.main:app --host 0.0.0.0 --port 8080