From: Timo Heister <timo.heister@gmail.com>
Date: Sun, 3 Jul 2022 23:05:26 +0000 (-0400)
Subject: use 2 cores
X-Git-Tag: v9.5.0-rc1~1111^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ea99917409fa1c9d768a3b5ff6b515dfd3a3358;p=dealii.git

use 2 cores
---

diff --git a/contrib/docker/Dockerfile b/contrib/docker/Dockerfile
index 1b8086e800..a93096c36e 100644
--- a/contrib/docker/Dockerfile
+++ b/contrib/docker/Dockerfile
@@ -13,7 +13,7 @@ RUN cd /usr/src \
     -DDEAL_II_WITH_MPI=ON \
     -DCMAKE_CXX_FLAGS="-std=c++17" \
     .. \  
-    && ninja install \
+    && ninja -j 2 install \
     && cd ../ && rm -rf .git build
 
 USER $USER