diff --git a/.circleci/config.yml b/.circleci/config.yml
index b3eb5e2..cb96f09 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,17 +1,8 @@
 version: 2
 jobs:
-    build:
-        docker:
-            - image: enumack/buildcontainers:gcc-8.1
-        steps:
-            - checkout
-            - run:
-                name: cd to build dir
-                command: cd -p build
-            - run:
-                name: run CMake
-                command: cmake -DCMAKE_BUILD_TYPE=Release ..
-            - run:
-                name: build project
-                command: make -j
-
+  build:
+    docker: # See https://docs.docker.com/get-started/#docker-concepts if you are new to Docker.
+      - image: circleci/ruby:2.4.1
+    steps:
+      - checkout
+      - run: echo "A first hello"