Add --compat short-hand for improved OCI/Docker compatibility, from sylabs 235 #6207
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It is common for users to run docker containers that expect more isolation than is default in Singularity, and that can create files on startup. This is a simple short-hand to enable `--contain-all, --no-init, --no-umask, --writable-tmpfs`. These options give the best chance of an OCI/Docker container working as expected but *without* requiring the user/uts/net namespaces that we can't rely on in all installations / configurations of Singularity. Fixes: sylabs/singularity#75
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ikaneshiro
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Oct 8, 2021
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This pulls in sylabs pr
--compatshort-hand for improved OCI/Docker compatibility sylabs/singularity#235which fixed issue
The original pr description was:
It is common for users to run docker containers that expect more isolation than is default in Singularity, and that can create files on startup. This is a simple short-hand to enable
--contain-all, --no-init, --no-umask, --writable-tmpfs. These options give the best chance of an OCI/Docker container working as expected but without requiring the user/uts/net namespaces that we can't rely on in all installations / configurations of Singularity.