FROM python:3.10-slim

# Install necessary system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    git \
    wget \
    && apt-get clean

# Install Gotty (GoTTY) v1.5.0
RUN wget -O /usr/local/bin/gotty https://github.com/sorenisanerd/gotty/ && \
    chmod +x /usr/local/bin/gotty

# Copy requirements first to leverage Docker layer caching
COPY requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt

# Copy the rest of the application code
COPY . /app
WORKDIR /app

# Expose a port for the container (for Gotty to use)
EXPOSE 7860

# Set Gotty to serve the Textual application
CMD ["gotty", "-w", "--reconnect", "--port", "${PORT:-7860}", "python", "-m", "textual", "run", "JSONEditorApp"]