pin default repo to MRAN

tidyverse/3.3.2/Dockerfile

@@ -2,18 +2,18 @@ FROM rocker/rstudio:3.3.2
 
 ARG BUILD_DATE
 RUN apt-get update -qq && apt-get -y --no-install-recommends install \
-  build-essential \
   libxml2-dev \
   libsqlite-dev \
   libmariadbd-dev \
   libmariadb-client-lgpl-dev \
   libpq-dev \
-  ## R dependencies, snapshot to build date
+  ## Set default repo to install all packages from date-locked MRAN snapshot of CRAN
   && [ -z "$BUILD_DATE" ] && BUILD_DATE=$(date -I) || true \
   && MRAN=https://mran.microsoft.com/snapshot/$BUILD_DATE \
-  && Rscript -e "install.packages(c('RSQLite', 'RMySQL', 'RPostgreSQL'), repo = '$MRAN')" \
+  && echo "options(repos = c(MRAN = '$MRAN'))" > /usr/local/lib/R/etc/Rprofile.site \
+  && Rscript -e "install.packages(c('RSQLite', 'RMySQL', 'RPostgreSQL'))" \
   ## Temporary measure while git2r config is broken
-  && Rscript -e "install.packages('devtools', repo = '$MRAN'); devtools::install_github('ropensci/git2r')" \
-  ## Install tidyverse & devtools full suite
-  && Rscript -e "install.packages(c('tidyverse', 'devtools'), dep=TRUE, repo = '$MRAN')"
+  && Rscript -e "install.packages('devtools'); devtools::install_github('ropensci/git2r')" \
+  ## Install tidyverse & devtools suites (including suggests)
+  && Rscript -e "install.packages(c('tidyverse', 'devtools', 'profvis'), dep=TRUE)"