github.com/apptainer/singularity@v3.1.1+incompatible/examples/legacy/2.2/centos.def (about)

     1  # Copyright (c) 2015-2017, Gregory M. Kurtzer. All rights reserved.
     2  # 
     3  # "Singularity" Copyright (c) 2016, The Regents of the University of California,
     4  # through Lawrence Berkeley National Laboratory (subject to receipt of any
     5  # required approvals from the U.S. Dept. of Energy).  All rights reserved.
     6  
     7  
     8  BootStrap: yum
     9  OSVersion: 7
    10  MirrorURL: http://mirror.centos.org/centos-%{OSVERSION}/%{OSVERSION}/os/$basearch/
    11  Include: yum
    12  
    13  # If you want the updates (available at the bootstrap date) to be installed
    14  # inside the container during the bootstrap instead of the General Availability
    15  # point release (7.x) then uncomment the following line
    16  #UpdateURL: http://mirror.centos.org/centos-%{OSVERSION}/%{OSVERSION}/updates/$basearch/
    17  
    18  
    19  %runscript
    20      echo "This is what happens when you run the container..."
    21  
    22  
    23  %post
    24      echo "Hello from inside the container"
    25      yum -y install vim-minimal
    26  
    27