Add "slim" version

+ wipe some matlab archives before installation
+ remove some GUI-related and GPGPU related libraries
+ remove map tiles

matlab/slim/Dockerfile

@@ -0,0 +1,55 @@
+FROM ubuntu:bionic
+
+MAINTAINER Guillaume Flandin <g.flandin@ucl.ac.uk>
+
+RUN apt-get update \
+ && apt-get -y install unzip wget libxt6\
+ && apt-get clean \
+ && rm -rf \
+     /tmp/hsperfdata* \
+     /var/*/apt/*/partial \
+     /var/lib/apt/lists/* \
+     /var/log/apt/term*
+
+# Install MATLAB MCR in /opt/mcr/
+# To save space we are removing all archives except Core and Numerics, and
+# we're kiling some of the larger blobs in the mcr as wel: Qt5 and cuda-related
+# libraries and map tiles. This list could be amended over time.
+ENV MATLAB_VERSION R2018b
+ENV MCR_VERSION v95
+RUN mkdir /opt/mcr_install \
+ && mkdir /opt/mcr \
+ && wget -P /opt/mcr_install https://www.mathworks.com/supportfiles/downloads/${MATLAB_VERSION}/deployment_files/${MATLAB_VERSION}/installers/glnxa64/MCR_${MATLAB_VERSION}_glnxa64_installer.zip \
+ && unzip -q /opt/mcr_install/MCR_${MATLAB_VERSION}_glnxa64_installer.zip -d /opt/mcr_install \
+ && rm /opt/mcr_install/archives/*GPU* \
+ && rm /opt/mcr_install/archives/*Hadoop* \
+ && rm /opt/mcr_install/archives/*Java* \
+ && rm /opt/mcr_install/archives/*MPS* \
+ && rm /opt/mcr_install/archives/*NET* \
+ && rm /opt/mcr_install/archives/*Web_Apps* \
+ && /opt/mcr_install/install -destinationFolder /opt/mcr -agreeToLicense yes -mode silent \
+ && rm -rf /opt/mcr_install /tmp/* \
+ && rm -rf /opt/mcr/${MCR_VERSION}/bin/glnxa64/libQt5* \
+ && rm -rf /opt/mcr/${MCR_VERSION}/bin/glnxa64/qtwebengine* \
+ && rm -rf /opt/mcr/${MCR_VERSION}/mcr/toolbox/matlab/maps
+
+# Install SPM Standalone in /opt/spm12/
+# Running spm once with "function exit" tests the succesfull installation *and*
+# extracts the ctf archive which is necessary if singularity is going to be
+# used later on, because singularity containers are read-only.
+ENV SPM_VERSION 12
+ENV SPM_REVISION r7487
+ENV LD_LIBRARY_PATH /opt/mcr/${MCR_VERSION}/runtime/glnxa64:/opt/mcr/${MCR_VERSION}/bin/glnxa64:/opt/mcr/${MCR_VERSION}/sys/os/glnxa64:/opt/mcr/${MCR_VERSION}/sys/opengl/lib/glnxa64
+ENV MCR_INHIBIT_CTF_LOCK 1
+ENV SPM_HTML_BROWSER 0
+RUN wget --no-check-certificate -P /opt https://www.fil.ion.ucl.ac.uk/spm/download/restricted/bids/spm${SPM_VERSION}_${SPM_REVISION}_Linux_${MATLAB_VERSION}.zip \
+ && unzip -q /opt/spm${SPM_VERSION}_${SPM_REVISION}_Linux_${MATLAB_VERSION}.zip -d /opt \
+ && rm -f /opt/spm${SPM_VERSION}_${SPM_REVISION}_Linux_${MATLAB_VERSION}.zip \
+ && /opt/spm${SPM_VERSION}/spm${SPM_VERSION} function exit
+
+# The container might not be run with uid 0
+RUN chmod +x /opt/spm12/spm12
+
+# Configure entry point
+ENTRYPOINT ["/opt/spm12/spm12"]
+CMD ["--help"]