3 files changed, 7 insertions, 6 deletions
diff --git a/README.md b/README.md
index daef2a2..c3d35ba 100644
--- a/README.md
+++ b/README.md
@@ -14,10 +14,10 @@ If you prefer to build within more isolated environment may
 If you prefer traditional, just do:
 
 ```sh
-    curl -sSL http://git.hiddenalpha.ch/bulk-ln.git/snapshot/bulk-ln-master.tar.gz | tar xz
-    cd bulk-ln-master
-    ./configure
-    make
-    make install
+curl -sSL http://git.hiddenalpha.ch/bulk-ln.git/snapshot/bulk-ln-master.tar.gz | tar xz
+cd bulk-ln-master
+./configure
+make
+make install
 ```
 
diff --git a/configure b/configure
index d2f1fe7..fb6253b 100755
--- a/configure
+++ b/configure
@@ -64,6 +64,7 @@ printMakefile () {
     printf '%s\n' "EXEC_PREFIX=$exec_prefix"
     printf '%s\n' "EXEC_SUFFIX=$exec_suffix"
     printf '%s\n' "BINDIR=$bindir"
+    printf '%s\n' "NDEBUG=1"
 
     # If PROJECT_VERSION set, use it.
     # If not, try generate via git describe.
diff --git a/contrib/build-using-docker/Dockerfile b/contrib/build-using-docker/Dockerfile
index 9a6df6b..c56cacd 100644
--- a/contrib/build-using-docker/Dockerfile
+++ b/contrib/build-using-docker/Dockerfile
@@ -31,5 +31,5 @@ USER 1000:1000
 
 # run for max 10 hrs. Because this container is not meant to stay running
 # forever.
-CMD ["sleep 36000"]
+CMD ["sleep", "36000"]