Bind current working directory to container

[fgvieira]

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When using a container, the cwd is not binded and leads to an error:

/bin/bash: logs/path/to/log/file.log: No such file or directory

However, if I export:

export APPTAINER_BIND=`pwd`

then it all works fine.

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By default, the current working directory should be binded to the container image.