Dockerfile

FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        build-essential \
        pkg-config \
        tesseract-ocr \
        libtesseract-dev \
        libgl1 \
        libglib2.0-0 \
        libsm6 \
        libxext6 \
        libxrender1 \
        scrot \
        xvfb \
        xauth \
        libxi6 \
        libxtst6 \
        x11-apps \
        fonts-dejavu \
        curl \
        gnupg \
        lsb-release \
    && rm -rf /var/lib/apt/lists/*

# Install Docker CLI (needed for docker exec against sibling desktop container)
RUN curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg \
    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list \
    && apt-get update \
    && apt-get install -y --no-install-recommends docker-ce-cli \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt ./requirements.txt

RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

COPY . .

CMD ["python", "-m", "app.main"]