Put back containers

containers/README.md

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+## qMRLab Docker images 
+
+With each [qMRLab release](https://github.com/qMRLab/qMRLab/releases), the `minimal` docker image is built automatically. Available 
+tags can be found [here](https://hub.docker.com/r/qmrlab/minimal/tags?page=1&ordering=last_updated).
+
+## Docker images for external (non-qMRLab) processes
+
+If available, off-the-shelf containers can be used by modifying `nextflow.config` file.
+
+`Dockerfiles` of other Docker images maintained by qMRLab (e.g. `qmrlab/antsfls`) are available in 
+this directory.

containers/antsfsl/Dockerfile

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+FROM neurodebian:xenial
+MAINTAINER qmrlab
+
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y install ants git curl unzip fsl-5.0-core
+
+RUN /bin/bash -c "source /etc/fsl/5.0/fsl.sh"
+
+ENV PATH=$PATH:/usr/lib/ants:/usr/lib/fsl/5.0 \
+	FSLDIR=/usr/share/fsl/5.0 \
+	LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib/fsl/5.0 \
+	FSLOUTPUTTYPE=NIFTI_GZ \
+	FSLTCLSH=/usr/bin/tclsh

containers/antsfsl/build.sh

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+docker build --rm -t qmrlab/antsfsl .