Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.9

# Set the working directory in the container
WORKDIR /app

# Copy the environment YAML file and application code into the container
COPY environment.yml /app/environment.yml
COPY . /app

# Install conda and create the environment
RUN apt-get update && \
    apt-get install -y curl && \
    curl -sSLo /tmp/miniconda.sh https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh && \
    bash /tmp/miniconda.sh -b -p /opt/conda && \
    rm /tmp/miniconda.sh && \
    /opt/conda/bin/conda env create -f /app/environment.yml

# Make RUN commands use the new environment
SHELL ["conda", "run", "-n", "opera", "/bin/bash", "-c"]

# Install Node.js (required by Gradio for SSR)
RUN apt-get install -y nodejs npm && \
    npm install -g n && \
    n latest && \
    export GRADIO_NODE_PATH=$(which node)

# Expose port for Hugging Face Spaces
EXPOSE 7860

# Run the application
CMD ["conda", "run", "-n", "opera", "streamlit", "run", "app.py", "--server.port=7860"]