From c894c04865fc5c7566d7719655e75dc6ddcc0bc0 Mon Sep 17 00:00:00 2001
From: Jonathan Shimwell <jonathan.shimwell@ukaea.uk>
Date: Sat, 7 Nov 2020 23:38:57 +0000
Subject: [PATCH] added usage instrucions

---
 Dockerfile | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index 8dc19325a5..b69b8e3dcd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,9 @@
+# To build with OpenMC
+# docker build -t openmc .
+
+# To build with OpenMC and DAGMC enabled
+# docker build -t openmc_dagmc --build-arg include_dagmc=true .
+
 FROM ubuntu:latest
 
 # By default this Dockerfile builds OpenMC without dagmc
@@ -71,6 +77,7 @@ RUN if [ "$include_dagmc" = "true" ] ; \
                 -DCMAKE_INSTALL_RPATH=${hdf5_install_dir}:$HOME/MOAB ; \
     make ; \
     make install ; \
+    fi
 
 # Clone and install DAGMC
 RUN if [ "$include_dagmc" = "true" ] ; \