Dockerfile

# Use an official lightweight Python image.
FROM python:3.9-slim

# Set HOME to /root and define a custom PYPPETEER_HOME directory.
ENV HOME=/root
ENV PYPPETEER_HOME=/root/.pyppeteer

# Create the directory for Pyppeteer and set proper permissions.
RUN mkdir -p /root/.pyppeteer && chmod -R 777 /root/.pyppeteer

# Install system dependencies required for Chromium.
RUN apt-get update && apt-get install -y \
    wget \
    ca-certificates \
    fonts-liberation \
    libappindicator3-1 \
    libasound2 \
    libatk-bridge2.0-0 \
    libatk1.0-0 \
    libcups2 \
    libdbus-1-3 \
    libgdk-pixbuf2.0-0 \
    libnspr4 \
    libnss3 \
    libx11-xcb1 \
    libxcomposite1 \
    libxdamage1 \
    libxrandr2 \
    xdg-utils \
    --no-install-recommends && rm -rf /var/lib/apt/lists/*

# Set the working directory.
WORKDIR /app

# Copy and install Python dependencies.
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Pre-download the Chromium revision required by Pyppeteer.
RUN python -c "from pyppeteer import chromium_downloader; chromium_downloader.download_chromium()"

# Copy the rest of the application code.
COPY . .

# Expose port 7860.
EXPOSE 7860

# Start the FastAPI app using Uvicorn.
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]