Dockerfile

# Use Python 3.11 (Newer, fresher environment to avoid 3.10 caches)
FROM python:3.11-slim-bookworm

# 1. Install system dependencies (git is required for the install below)
RUN apt-get update && apt-get install -y \
    git \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# 2. Setup User
RUN useradd -m -u 1000 user
RUN mkdir -p /app && chown user:user /app

USER user
ENV PATH="/home/user/.local/bin:$PATH"
WORKDIR /app

# 3. FORCE INSTALL TORCH CPU (Saves massive space & RAM)
RUN pip install --no-cache-dir torch torchvision --index-url https://download.pytorch.org/whl/cpu

# 4. FORCE INSTALL TRANSFORMERS (The Fix)
# We install directly to ensure we get the version that supports Florence-2
RUN pip install --no-cache-dir --upgrade transformers>=4.46.0

# 5. Install other dependencies
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# 6. Copy Application
COPY --chown=user . /app

# 7. Start
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]