Commits on Sep 20, 2018

1. dockerTools.buildImage: support impure dates …

   Because dates are an impurity, by default buildImage will use a static
   date of one second past the UNIX Epoch. This can be a bit frustrating
   when listing docker images in the CLI:
   
       $ docker image list
       REPOSITORY   TAG      IMAGE ID       CREATED        SIZE
       hello        latest   08c791c7846e   48 years ago   25.2MB
   
   If you want to trade the purity for a better user experience, you can
   set created to now.
   
       pkgs.dockerTools.buildImage {
         name = "hello";
         tag = "latest";
         created = "now";
         contents = pkgs.hello;
   
         config.Cmd = [ "/bin/hello" ];
       }
   
   and now the Docker CLI will display a reasonable date and sort the
   images as expected:
   
       $ docker image list
       REPOSITORY   TAG      IMAGE ID       CREATED              SIZE
       hello        latest   de2bf4786de6   About a minute ago   25.2MB

   

   graham-at-target committed Sep 20, 2018
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