Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -2,24 +2,24 @@
 # Official docker image.
 image: docker:latest
 
- variables:
-   # When using dind service we need to instruct docker, to talk with the
-   # daemon started inside of the service. The daemon is available with
-   # a network connection instead of the default /var/run/docker.sock socket.
-   #
-   # The 'docker' hostname is the alias of the service container as described at
-   # https://docs.gitlab.com/ee/ci/docker/using_docker_images.html#accessing-the-services
-   #
-   # Note that if you're using the Kubernetes executor, the variable should be set to
-   # tcp://localhost:2375/ because of how the Kubernetes executor connects services
-   # to the job container
-   # DOCKER_HOST: tcp://localhost:2375/
-   #
-   # For non-Kubernetes executors, we use tcp://docker:2375/
-   DOCKER_HOST: tcp://docker:2375/
-   # When using dind, it's wise to use the overlayfs driver for
-   # improved performance.
-   DOCKER_DRIVER: overlay2
+variables:
+  # When using dind service we need to instruct docker, to talk with the
+  # daemon started inside of the service. The daemon is available with
+  # a network connection instead of the default /var/run/docker.sock socket.
+  #
+  # The 'docker' hostname is the alias of the service container as described at
+  # https://docs.gitlab.com/ee/ci/docker/using_docker_images.html#accessing-the-services
+  #
+  # Note that if you're using the Kubernetes executor, the variable should be set to
+  # tcp://localhost:2375/ because of how the Kubernetes executor connects services
+  # to the job container
+  # DOCKER_HOST: tcp://localhost:2375/
+  #
+  # For non-Kubernetes executors, we use tcp://docker:2375/
+  DOCKER_HOST: tcp://docker:2375/
+  # When using dind, it's wise to use the overlayfs driver for
+  # improved performance.
+  DOCKER_DRIVER: overlay2
 
 services:
   - docker:dind