use binaries from r-universe if possible

Author: hturner

Dockerfile

@@ -20,8 +20,8 @@ RUN sed -i.bak "/^#.*deb-src.*universe$/s/^# //g" /etc/apt/sources.list \
     && wget -qO- https://cloud.r-project.org/bin/linux/ubuntu/marutter_pubkey.asc | sudo tee -a /etc/apt/trusted.gpg.d/cran_ubuntu_key.asc \
     && apt -y build-dep r-base-dev \
     && apt -y install r-base-dev \
-    && Rscript -e "install.packages('languageserver', repos='https://cran.rstudio.com')" \
-    && Rscript -e "install.packages('httpgd', repos='https://cran.rstudio.com')" \
+    && Rscript -e "install.packages(c('languageserver', 'httpgd'), \
+    repos = c(runiverse='https://r-universe.dev', CRAN='https://cloud.r-project.org'))" \
     && rm -rf /var/lib/apt/lists/*
 
 ARG CONTAINER_VERSION