Dockerfile

# ==========================================
# Stage 1: Build React 19 Frontend
# ==========================================
FROM node:20-slim AS frontend-builder
WORKDIR /app/frontend

COPY frontend/package*.json ./
RUN npm ci

COPY frontend/ ./
RUN npm run build

# ==========================================
# Stage 2: Python 3.12 Backend & Runtime
# ==========================================
FROM python:3.12-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    DEBIAN_FRONTEND=noninteractive

# System dependencies for multimodal intelligence (FFmpeg, Tesseract OCR)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    tesseract-ocr \
    tesseract-ocr-eng \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user with UID 1000 (standard requirement for Hugging Face Spaces)
RUN useradd -m -u 1000 user
WORKDIR /app

# Install Python requirements
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Copy backend application and pipelines
COPY backend/ ./backend/
COPY pipelines/ ./pipelines/
COPY preview_pipeline/ ./preview_pipeline/
COPY final_post_pipeline/ ./final_post_pipeline/
COPY enhancements/ ./enhancements/
COPY server.py ./

# Copy compiled frontend from Stage 1
COPY --from=frontend-builder /app/frontend/dist ./frontend/dist

# Initialize persistent runtime storage folders and transfer ownership to user 1000
RUN mkdir -p storage/uploads storage/previews storage/links storage/renders && \
    chown -R user:user /app

# Switch to user 1000
USER user

# Default port configuration (Hugging Face Spaces listens on port 7860)
ENV HOST=0.0.0.0
ENV PORT=7860

EXPOSE 7860

CMD ["python", "server.py"]