[main]: re-add jsonlite

Dockerfile

@@ -22,6 +22,7 @@ WORKDIR /srv/shiny-server
 # Copy dependency manifests first so package restore can be cached
 COPY renv.lock /srv/shiny-server/renv.lock
 COPY renv /srv/shiny-server/renv
+COPY .Rprofile /srv/shiny-server/.Rprofile
 
 # Prevent renv attempting to use pak
 ENV RENV_CONFIG_PAK_ENABLED=FALSE
@@ -40,7 +41,7 @@ RUN for f in /usr/local/lib/R/etc/Makeconf /usr/lib/R/etc/Makeconf; do \
 RUN --mount=type=cache,target=/opt/renv/cache \
     --mount=type=cache,target=/root/.cache/R/renv \
     R --vanilla -e "install.packages('renv', repos='https://cran.rstudio.com')" && \
-    R --vanilla -e "renv::restore(project='/srv/shiny-server', lockfile='/srv/shiny-server/renv.lock', prompt=FALSE)"
+    R --vanilla -e "source('.Rprofile'); renv::restore(prompt=FALSE)"
 
 # Copy the application after dependencies so regular code changes do not
 # invalidate the expensive restore layer.