Dockerfile

# Dockerfile for the Shiny app illustrating K=3 Largest-Group-Wins behavior
FROM rocker/r-base:latest

WORKDIR /code

# Install additional R packages via install2.r
RUN install2.r --error \
    shiny \
    dplyr \
    ggplot2 \
    readr \
    ggExtra

# Copy all local files (including the Shiny app code) into the Docker image
COPY . .

# Default command to launch the Shiny app on port 7860, listening on all interfaces
CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]