Dockerfile

FROM rocker/r-base:latest

WORKDIR /code

# Install system dependencies
RUN apt-get update && apt-get install -y \
    libcurl4-openssl-dev \
    libssl-dev \
    libxml2-dev \
    libxt-dev \
    libfontconfig1-dev \
    && rm -rf /var/lib/apt/lists/*

# Install required R packages
RUN install2.r --error \
    shiny \
    dplyr \
    ggplot2 \
    readr \
    ggExtra \
    recommenderlab \
    recosystem \
    reshape2 \
    data.table \
    shinycssloaders \
    shinyWidgets

# Copy all app files
COPY . .

# Run Shiny App
CMD ["R", "--quiet", "-e", "shiny::runApp(host='0.0.0.0', port=7860)"]