Use stable docker image instead of latest

.gitlab-ci.yml

@@ -721,7 +721,7 @@ codequality:
   tags: []
   before_script: []
   services:
-    - docker:dind
+    - docker:stable-dind
   variables:
     SETUP_DB: "false"
     DOCKER_DRIVER: overlay2

doc/ci/docker/using_docker_build.md

@@ -101,12 +101,12 @@ In order to do that, follow the steps:
       --registration-token REGISTRATION_TOKEN \
       --executor docker \
       --description "My Docker Runner" \
-      --docker-image "docker:latest" \
+      --docker-image "docker:stable" \
       --docker-privileged
     ```
 
     The above command will register a new Runner to use the special
-    `docker:latest` image which is provided by Docker. **Notice that it's using
+    `docker:stable` image which is provided by Docker. **Notice that it's using
     the `privileged` mode to start the build and service containers.** If you
     want to use [docker-in-docker] mode, you always have to use `privileged = true`
     in your Docker containers.
@@ -120,7 +120,7 @@ In order to do that, follow the steps:
       executor = "docker"
       [runners.docker]
         tls_verify = false
-        image = "docker:latest"
+        image = "docker:stable"
         privileged = true
         disable_cache = false
         volumes = ["/cache"]
@@ -132,7 +132,7 @@ In order to do that, follow the steps:
    `docker:dind` service):
 
     ```yaml
-    image: docker:latest
+    image: docker:stable
 
     # When using dind, it's wise to use the overlayfs driver for
     # improved performance.
@@ -201,12 +201,12 @@ In order to do that, follow the steps:
       --registration-token REGISTRATION_TOKEN \
       --executor docker \
       --description "My Docker Runner" \
-      --docker-image "docker:latest" \
+      --docker-image "docker:stable" \
       --docker-volumes /var/run/docker.sock:/var/run/docker.sock
     ```
 
     The above command will register a new Runner to use the special
-    `docker:latest` image which is provided by Docker. **Notice that it's using
+    `docker:stable` image which is provided by Docker. **Notice that it's using
     the Docker daemon of the Runner itself, and any containers spawned by docker
     commands will be siblings of the Runner rather than children of the runner.**
     This may have complications and limitations that are unsuitable for your workflow.
@@ -220,7 +220,7 @@ In order to do that, follow the steps:
       executor = "docker"
       [runners.docker]
         tls_verify = false
-        image = "docker:latest"
+        image = "docker:stable"
         privileged = false
         disable_cache = false
         volumes = ["/var/run/docker.sock:/var/run/docker.sock", "/cache"]
@@ -232,7 +232,7 @@ In order to do that, follow the steps:
    include the `docker:dind` service as when using the Docker in Docker executor):
 
     ```yaml
-    image: docker:latest
+    image: docker:stable
 
     before_script:
     - docker info
@@ -286,7 +286,7 @@ any image that's used with the `--cache-from` argument must first be pulled
 Here's a simple `.gitlab-ci.yml` file showing how Docker caching can be utilized:
 
 ```yaml
-image: docker:latest
+image: docker:stable
 
 services:
   - docker:dind
@@ -388,7 +388,7 @@ could look like:
 
 ```yaml
  build:
-   image: docker:latest
+   image: docker:stable
    services:
    - docker:dind
    stage: build
@@ -434,7 +434,7 @@ when needed. Changes to `master` also get tagged as `latest` and deployed using
 an application-specific deploy script:
 
 ```yaml
-image: docker:latest
+image: docker:stable
 services:
 - docker:dind
 

doc/ci/docker/using_docker_images.md

@@ -86,7 +86,7 @@ services](#accessing-the-services).
 ### How the health check of services works
 
 Services are designed to provide additional functionality which is **network accessible**.
-It may be a database like MySQL, or Redis, and even `docker:dind` which
+It may be a database like MySQL, or Redis, and even `docker:stable-dind` which
 allows you to use Docker in Docker. It can be practically anything that is
 required for the CI/CD job to proceed and is accessed by network.
 

doc/ci/examples/browser_performance.md

@@ -17,7 +17,7 @@ performance:
   variables:
     URL: https://example.com
   services:
-    - docker:dind
+    - docker:stable-dind
   script:
     - mkdir gitlab-exporter
     - wget -O ./gitlab-exporter/index.js https://gitlab.com/gitlab-org/gl-performance/raw/master/index.js
@@ -94,7 +94,7 @@ performance:
   stage: performance
   image: docker:git
   services:
-    - docker:dind
+    - docker:stable-dind
   dependencies:
     - review
   script:

doc/install/kubernetes/gitlab_runner_chart.md

@@ -80,7 +80,7 @@ runners:
   image: ubuntu:16.04
 
   ## Run all containers with the privileged flag enabled
-  ## This will allow the docker:dind image to run if you need to run Docker
+  ## This will allow the docker:stable-dind image to run if you need to run Docker
   ## commands. Please read the docs before turning this on:
   ## ref: https://docs.gitlab.com/runner/executors/kubernetes.html#using-docker-dind
   ##
@@ -147,7 +147,7 @@ enable privileged mode in `values.yaml`:
 ```yaml
 runners:
   ## Run all containers with the privileged flag enabled
-  ## This will allow the docker:dind image to run if you need to run Docker
+  ## This will allow the docker:stable-dind image to run if you need to run Docker
   ## commands. Please read the docs before turning this on:
   ## ref: https://docs.gitlab.com/runner/executors/kubernetes.html#using-docker-dind
   ##

spec/factories/ci/builds.rb

@@ -206,7 +206,7 @@ FactoryBot.define do
       options do
         {
             image: { name: 'ruby:2.1', entrypoint: '/bin/sh' },
-            services: ['postgres', { name: 'docker:dind', entrypoint: '/bin/sh', command: 'sleep 30', alias: 'docker' }],
+            services: ['postgres', { name: 'docker:stable-dind', entrypoint: '/bin/sh', command: 'sleep 30', alias: 'docker' }],
             after_script: %w(ls date),
             artifacts: {
                 name: 'artifacts_file',

spec/requests/api/runner_spec.rb

@@ -406,7 +406,7 @@ describe API::Runner do
             expect(json_response['image']).to eq({ 'name' => 'ruby:2.1', 'entrypoint' => '/bin/sh' })
             expect(json_response['services']).to eq([{ 'name' => 'postgres', 'entrypoint' => nil,
                                                        'alias' => nil, 'command' => nil },
-                                                     { 'name' => 'docker:dind', 'entrypoint' => '/bin/sh',
+                                                     { 'name' => 'docker:stable-dind', 'entrypoint' => '/bin/sh',
                                                        'alias' => 'docker', 'command' => 'sleep 30' }])
             expect(json_response['steps']).to eq(expected_steps)
             expect(json_response['artifacts']).to eq(expected_artifacts)

vendor/gitlab-ci-yml/Chef.gitlab-ci.yml

@@ -7,7 +7,7 @@
 
 image: "chef/chefdk"
 services:
-  - docker:dind
+  - docker:stable-dind
 
 variables:
   DOCKER_HOST: "tcp://docker:2375"

vendor/gitlab-ci-yml/Docker.gitlab-ci.yml

@@ -2,7 +2,7 @@
 image: docker:latest
 
 services:
-  - docker:dind
+  - docker:stable-dind
 
 before_script:
   - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY