From caa4d559fbf517ee02e2adadd87b38e68df02111 Mon Sep 17 00:00:00 2001
From: Vitaliy Mysak <vmysak@bccfe.ca>
Date: Wed, 6 Mar 2024 19:36:22 -0800
Subject: [PATCH] Singularity: remove temporary files after the build is
 finished

This helps to reduce the image size from 404M to 371M
---
 Singularity | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Singularity b/Singularity
index d938b8e..0579db1 100644
--- a/Singularity
+++ b/Singularity
@@ -49,6 +49,8 @@ From: ubuntu:22.04
 
     # Clean up
     apt-get remove -y wget git build-essential
+    apt-get clean
+    rm -rf /var/lib/apt/lists/*
 
 %environment
     export LANG=en_US.UTF-8