diff --git a/docker/README b/docker/README
new file mode 100644
index 000000000..7034364a3
--- /dev/null
+++ b/docker/README
@@ -0,0 +1,6 @@
+# Docker based continious integration
+
+Run ```./docker/build-image.sh``` to build a docker image.
+The image contains all the build dependencies and the state of the local git repository.
+
+Run ```./docker/run-gcc.sh``` to build OSRM with g++ and run all tests.
diff --git a/docker/build-image.sh b/docker/build-image.sh
new file mode 100755
index 000000000..ace73056a
--- /dev/null
+++ b/docker/build-image.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -e
+set -o pipefail
+
+docker build \
+    -t mapbox/osrm:linux \
+    docker/
+
diff --git a/docker/run-clang.sh b/docker/run-clang.sh
new file mode 100755
index 000000000..716beb605
--- /dev/null
+++ b/docker/run-clang.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -e
+set -o pipefail
+
+docker run \
+    -i \
+    -e "CXX=clang++" \
+    -v `pwd`:/home/mapbox/osrm-backend \
+    -t mapbox/osrm:linux \
+    osrm-backend/docker/test.sh
diff --git a/docker/run-gcc.sh b/docker/run-gcc.sh
index df45b42f5..313b0f7c5 100755
--- a/docker/run-gcc.sh
+++ b/docker/run-gcc.sh
@@ -3,10 +3,6 @@
 set -e
 set -o pipefail
 
-docker build \
-    -t mapbox/osrm:linux \
-    docker/
-
 docker run \
     -i \
     -e "CXX=g++" \