diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 00000000..65e6c33b
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,13 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: debian:stretch
+    steps:
+      - checkout
+      - run:
+          name: Greeting
+          command: echo Hello, world.
+      - run:
+          name: Print the Current Time
+          command: date
diff --git a/docker/Dockerfile b/.docker/Dockerfile
similarity index 100%
rename from docker/Dockerfile
rename to .docker/Dockerfile
diff --git a/docker/hooks/build b/.docker/hooks/build
similarity index 100%
rename from docker/hooks/build
rename to .docker/hooks/build
diff --git a/docker/hooks/post_push b/.docker/hooks/post_push
similarity index 100%
rename from docker/hooks/post_push
rename to .docker/hooks/post_push
diff --git a/.gitignore b/.gitignore
index 49aaa5ee..a2b1fde2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,4 +13,4 @@ Makefile*
 Build
 _build
 blib
-!docker/hooks/*
+!.docker/hooks/*