Dockerfile

FROM python:3.10-slim-bookworm
WORKDIR /app

# --- Install System Libs ---
# 1. Add 'git' (to install from the git repo)
# 2. Add the "kitchen sink" libs to support full 'opencv-python'
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    libgl1 \
    libglx-mesa0 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libgtk-3-0 \
    libgomp1 \
    libtbbmalloc2 \
    libavcodec59 \
    libavformat59 \
    libswscale6 \
    libv4l-0 \
    libv4lconvert0 \
    libjpeg62-turbo \
    libpng16-16 \
    libtiff6 \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .

# --- Mimic Gradio Install ---
RUN pip install --no-cache-dir --upgrade pip \
    \
    # 1. Install all dependencies from requirements.txt
    && pip install --no-cache-dir -r requirements.txt \
    \
    # 2. Install RealESRGAN from the git fork with --no-deps
    # (This is the critical step from the Gradio demo)
    && pip install --no-cache-dir git+https://github.com/inference-sh/Real-ESRGAN.git --no-deps

# Copy the new app logic
COPY app_realesrgan.py .

# Writable models directory
RUN mkdir -p /app/models && chmod 777 /app/models

EXPOSE 7860
CMD ["uvicorn", "app_realesrgan:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]