new dockerfile, uses custom yaml file

Author: rela-v

Dockerfile

@@ -2,26 +2,34 @@
 FROM rocker/r-ver:4.5.1
 
 # 2. Install system dependencies
-# Note: Ubuntu 24.04 (Noble) uses libicu74, matching R 4.5 binaries
 RUN apt-get update && apt-get install -y --no-install-recommends \
     libxml2-dev libssl-dev libcurl4-openssl-dev \
     libpng-dev libjpeg-dev zlib1g-dev libicu-dev \
     libglpk-dev gfortran pandoc \
     && rm -rf /var/lib/apt/lists/*
 
-WORKDIR /project
-
-# 3. Use NOBLE (Ubuntu 24.04) binaries for R 4.5
+# 3. Setup Environment for Speed and Persistence
+# We move the library to /opt/renv so it isn't overwritten when you mount /project
+ENV RENV_PATHS_LIBRARY=/opt/renv/library
 ENV RENV_CONFIG_REPOS_OVERRIDE="https://packagemanager.posit.co/cran/__linux__/noble/latest"
 ENV RENV_DOWNLOAD_METHOD="libcurl"
 
+WORKDIR /project
+
 # 4. Setup and Restore
+# We restore specifically to the /opt path
 COPY renv.lock .Rprofile ./
 COPY renv/activate.R renv/activate.R
-RUN mkdir -p renv/library data
-RUN R -e "options(Ncpus = parallel::detectCores()); renv::restore()"
+RUN mkdir -p /opt/renv/library
+RUN R -e "options(Ncpus = parallel::detectCores()); renv::restore(library='/opt/renv/library')"
 
+# 5. Copy Application Files
 COPY *.Rmd ./
 COPY _site.ym[l] ./ 
 
-CMD ["R", "-e", "rmarkdown::render_site()"]
+# 6. Flexible Execution
+# This allows you to pass a custom yaml filename as an argument
+ENTRYPOINT ["sh", "-c", "R -e \"rmarkdown::render_site(config_file = '$1')\"", "--"]
+
+# Default argument if you don't provide one
+CMD ["_site.yml"]