FROM rocker/r-ver:4.5.2

# Install system dependencies for R packages
# - libcurl4-openssl-dev, libssl-dev: for httr/curl (ellmer dependency)
# - libxml2-dev: for xml2 (ellmer dependency)
# - libpoppler-cpp-dev: for pdftools
# - libmagick++-dev: for magick
# - libfontconfig1-dev, libfreetype6-dev: for magick text rendering
RUN apt-get update && apt-get install -y \
    libcurl4-openssl-dev \
    libssl-dev \
    libxml2-dev \
    libpoppler-cpp-dev \
    libmagick++-dev \
    libfontconfig1-dev \
    libfreetype6-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /code

# Install remotes package first, then install specific versions of required packages
RUN R -e "install.packages('remotes', repos = 'https://cloud.r-project.org')" \
    && R -e "remotes::install_version('shiny', version = '1.12.1', repos = 'https://cloud.r-project.org')" \
    && R -e "remotes::install_version('purrr', version = '1.2.1', repos = 'https://cloud.r-project.org')" \
    && R -e "remotes::install_version('ellmer', version = '0.4.0', repos = 'https://cloud.r-project.org')" \
    && R -e "remotes::install_version('pdftools', version = '3.6.0', repos = 'https://cloud.r-project.org')" \
    && R -e "remotes::install_version('magick', version = '2.9.0', repos = 'https://cloud.r-project.org')" \
    && R -e "remotes::install_version('base64enc', version = '0.1.3', repos = 'https://cloud.r-project.org')"

COPY . .

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