RUN sed -i -e 's/^Defaults\tsecure_path.*$//' /etc/sudoers
RUN cd /tmp && git clone -b vault/release-2.5 https://www.github.com/sylabs/singularity.git && cd singularity && /autogen.sh && ./configure --prefix=/usr/local && make && make install
RUN cd /tmp && git clone -b vault/release-2.5 https://www.github.com/sylabs/singularity.git && cd singularity && ./autogen.sh && ./configure --prefix=/usr/local && make && make install