Dockerfile

# Use Ubuntu 22.04
FROM ubuntu:22.04

# Prevent interactive prompts
ENV DEBIAN_FRONTEND=noninteractive

# 1. Install prerequisites
RUN apt-get update && apt-get install -y \
    curl \
    gnupg \
    software-properties-common \
    apt-transport-https \
    ca-certificates \
    dbus-x11 \
    python3 \
    && rm -rf /var/lib/apt/lists/*

# 2. Add Brave Browser Repository
RUN curl -fsSLo /usr/share/keyrings/brave-browser-archive-keyring.gpg https://brave-browser-apt-release.s3.brave.com/brave-browser-archive-keyring.gpg \
    && echo "deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ stable main" | tee /etc/apt/sources.list.d/brave-browser-release.list

# 3. Add Official Xpra Repository (This fixes the "locate package" error)
RUN curl -fsSL https://xpra.org/gpg.asc | gpg --dearmor -o /usr/share/keyrings/xpra.gpg \
    && echo "deb [signed-by=/usr/share/keyrings/xpra.gpg] https://xpra.org/ jammy main" | tee /etc/apt/sources.list.d/xpra.list

# 4. Install Brave, Xpra, and Xterm
# Note: We install 'xpra' which now includes the HTML5 files from the official repo
RUN apt-get update && apt-get install -y \
    brave-browser \
    xpra \
    xvfb \
    xterm \
    && rm -rf /var/lib/apt/lists/*

# 5. Setup user
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user
WORKDIR $HOME

COPY --chown=user . $HOME

EXPOSE 7860

CMD ["python3", "app.py"]