-RUN addgroup --system dgbuilder && adduser --system --ingroup dgbuilder dgbuilder
-RUN apt-get update && apt-get install -y curl
-RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
-RUN apt-get install gcc g++ make
-RUN curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
-RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" |tee /etc/apt/sources.list.d/yarn.list
+USER root
+RUN addgroup -S dgbuilder && adduser -S dgbuilder -G dgbuilder
+
+RUN apk --no-cache add curl
+#RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
+RUN apk add gcc g++ make ncurses
+