fix where packages are installed

Author: eeholmes

images/py-rocket-geospatial-2/Dockerfile

@@ -23,12 +23,14 @@ RUN rm -rf /tmp2
 USER root
 # install the geospatial libraries and R spatial; the rocket script are part of py-rocket-base
 # need to ensure that it installs to the site-library (that user can control) and with a clean PATH
-RUN echo '.libPaths(file.path(Sys.getenv("R_HOME"), "site-library"))' > /tmp/rprofile.site
-RUN env R_PROFILE=/tmp/rprofile.site \
-        PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
-        /rocker_scripts/install_geospatial.sh
-RUN rm /tmp/rprofile.site
-    
+# Ensure packages go to site-library whether installed via R, Rscript, or littler (r)
+RUN echo '.libPaths("/usr/local/lib/R/site-library")' > /etc/littler.r && \
+    echo '.libPaths("/usr/local/lib/R/site-library")' > /tmp/rprofile.site && \
+    R_PROFILE=/tmp/rprofile.site \
+    PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin \
+    /rocker_scripts/install_geospatial.sh && \
+    rm /etc/littler.r /tmp/rprofile.site
+  
 # Install cwutils
 RUN cd /tmp && \
     wget https://www.star.nesdis.noaa.gov/socd/coastwatch/cwf/cwutils-4_0_0_198-linux-x86_64.tar.gz && \