3.3.0 needs repos= set, can't use remotes

.devcontainer/r-330/Dockerfile

@@ -5,11 +5,12 @@ RUN apt-get -qq update && \
 
 COPY DESCRIPTION .
 
-RUN Rscript -e '                           \
-  install.packages("remotes");             \
-  remotes::install_deps(dependencies = c(  \
-    "Depends",                             \
-    "Imports",                             \
-    "Config/needs/development"             \
-  ))                                       \
+RUN Rscript -e '                                         \ 
+options(repos = "https://cloud.r-project.org");          \
+dcf = read.dcf("DESCRIPTION", c("Imports", "Suggests")); \
+deps = names(tools:::.split_dependencies(dcf));          \
+standard_pkgs = tools:::.get_standard_package_names();   \
+deps = intersect(deps, rownames(available.packages()));  \
+install.packages(setdiff(deps, standard_pkgs$base));     \
 '
+