- DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends curl ca-certificates && \
- gpg --keyserver pool.sks-keyservers.net --recv-keys D39DC0E3 && \
+ apt-get -y install --no-install-recommends curl ca-certificates
+
+# Install RVM
+ADD generated/mpapis.asc /tmp/
+ADD generated/pkuczynski.asc /tmp/
+RUN gpg --import --no-tty /tmp/mpapis.asc && \
+ gpg --import --no-tty /tmp/pkuczynski.asc && \