• A container is a stand-alone executable package

  • operating system

  • libraries

  • software

  • data

• It can be run on any OS

• one can encapsulate software with all dependencies (libraries, data, ...) in a single executable package

• easy to share with others

• easy to run on clusters

• easy to reproduce previous results

• One can easily get a Singularity container using:

$ singularity pull shub://NuWro/builds:[tag]

Default image name:

[user]-[repo]-[branch]-[tag].simg

• To run NuWro simply use

$ singularity run [img file]

Command line arguments may be passed as usual:

$ singularity run [img] -p "param = value"

• Containers may be run as regular executable

$ ./[img file]

Command line arguments may be passed as usual:

$ ./nuwro.simg -p "param = value"

• Containers may be run in an interactive mode

$ singularity shell [img file]

User has access to any application from a container and a local $HOME.

• ROOT and NuWro are installed in /opt/ folder

• One can run NuWro or myroot from a container

• One can use only ROOT installation to compile local copy of NuWro