Added comments

templates/GitLab-Runner/0/docker-compose.yml

@@ -5,18 +5,18 @@ services:
     image: gitlab/gitlab-runner:alpine # Alpine Linux image is designed to use only Docker as the method of spawning runners
     command:
       - register
-    environment:
+    environment: # Options can be found by running "gitlab-runner register". More info found at https://docs.gitlab.com/runner/configuration/advanced-configuration.html
-      REGISTER_NON_INTERACTIVE: true
+      REGISTER_NON_INTERACTIVE: true                # Run registration unattended
-      CI_SERVER_URL: http://gitlab/
+      CI_SERVER_URL: http://gitlab/                 # Runner URL
-      REGISTRATION_TOKEN: ${GITLAB_TOKEN}
+      REGISTRATION_TOKEN: ${GITLAB_TOKEN}           # Runner's registration token
-      RUNNER_EXECUTOR: docker
+      RUNNER_EXECUTOR: docker                       # Select executor, eg. shell, docker, etc.
-      RUNNER_NAME: ${GITLAB_RUNNER_DESCRIPTION}
+      RUNNER_NAME: ${GITLAB_RUNNER_DESCRIPTION}     # Runner name
-      RUNNER_TAG_LIST: ${GITLAB_TAGS}
+      RUNNER_TAG_LIST: ${GITLAB_TAGS}               # Tag list
-      REGISTER_LOCKED: false
+      REGISTER_LOCKED: false                        # Lock Runner for current project
-      DOCKER_IMAGE: docker:latest
+      DOCKER_IMAGE: docker:latest                   # Docker image to be used
-      DOCKER_PRIVILEGED: true
+      DOCKER_PRIVILEGED: true                       # Give extended privileges to container
-      DOCKER_EXTRA_HOSTS: gitlab:${GITLAB_IP}
+      DOCKER_EXTRA_HOSTS: gitlab:${GITLAB_IP}       # Add a custom host-to-IP mapping
-      DOCKER_HOST: tcp://docker:2375/
+      DOCKER_HOST: tcp://docker:2375/               # Docker daemon address
     external_links:
     {{- if .Values.GITLAB_LINK}}
       - ${GITLAB_LINK}:gitlab