Shellcheck - Use stable image

The latest image sometimes has bugs, etc.

Shellcheck - Use stable image
The latest image sometimes has bugs, etc.
3b3fb22f · Thong Kuah · 4a525497 · 3b3fb22f
Commit 3b3fb22f authored Nov 24, 2019 by Thong Kuah
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doc/development/shell_scripting_guide/index.md doc/development/shell_scripting_guide/index.md +1 -1

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--- a/doc/development/shell_scripting_guide/index.md
+++ b/doc/development/shell_scripting_guide/index.md
@@ -60,7 +60,7 @@ All projects with shell scripts should use this GitLab CI/CD job:

 ```yaml
 shell check:
-  image: koalaman/shellcheck-alpine
+  image: koalaman/shellcheck-alpine:stable
  stage: test
  before_script:
    - shellcheck --version