docker: add r-base 4.0.2

src/.docker_modules/r/4.0.2/Dockerfile

+FROM alpine:3.12.0
+MAINTAINER Lauret Modolo
+
+ENV R_PKGS R=~4.0.2 \
+  R-mathlib=~4.0.2 \
+  R-dev=~4.0.2 \
+  R-doc=~4.0.2
+
+ENV R_DEPS g++ \
+  libxml2-dev \
+  make \
+  cmake \
+  linux-headers \
+  cairo-dev \
+  libxmu-dev \
+  pango-dev \
+  perl \
+  tiff-dev \
+  icu-dev \
+  libjpeg-turbo \
+  pcre-dev \
+  readline-dev \
+  libexecinfo-dev \
+  file \
+  ttf-linux-libertine \
+  git
+
+RUN echo "http://ftp.acc.umu.se/mirror/alpinelinux.org/v3.11/main" > /etc/apk/repositories \
+&& echo "http://ftp.acc.umu.se/mirror/alpinelinux.org/v3.11/community" >> /etc/apk/repositories \
+&& sed -i -e 's/v[[:digit:]]\..*\//edge\//g' /etc/apk/repositories \
+&& apk add --update --no-cache ${R_PKGS} ${R_DEPS}
+
+CMD ["R", "--no-save"]

src/.docker_modules/r/4.0.2/docker_init.sh

+#!/bin/sh
+docker pull lbmc/r-base:4.0.2
+docker build src/.docker_modules/r/4.0.2 -t 'lbmc/r-base:4.0.2'
+docker push lbmc/r-base:4.0.2