Common usage patterns.

- GitLab CI templates.
- Common pre-commit Docker snippet.

.gitlab-ci.yml

 ---
-test:
-  image: alpine:3.12
-  before_script:
-    - apk add --update docker bats
-  script:
-    - bats .
+include:
+  - project: shore/ci-templates
+    file: templates/bats.yml

.pre-commit-config.yaml

+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks.git
+    rev: v3.4.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-executables-have-shebangs
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: trailing-whitespace
+
+  - repo: https://github.com/Yelp/detect-secrets
+    rev: v0.14.3
+    hooks:
+      - id: detect-secrets
+
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.25.0
+    hooks:
+      - id: yamllint
+
+  - repo: https://github.com/amperser/proselint/
+    rev: 0.10.2
+    hooks:
+      - id: proselint
+        types: [plain-text]
+        exclude: LICENSE
+
+  - repo: https://github.com/executablebooks/mdformat.git
+    rev: 0.5.3
+    hooks:
+      - id: mdformat
+
+  - repo: https://git.shore.co.il/nimrod/shell-pre-commit.git
+    rev: v0.6.0
+    hooks:
+      - id: shell-lint
+
+  - repo: https://github.com/shellcheck-py/shellcheck-py.git
+    rev: v0.7.1.1
+    hooks:
+      - id: shellcheck
+
+  - repo: https://git.shore.co.il/nimrod/docker-pre-commit.git/
+    rev: v0.3.0
+    hooks:
+      - id: hadolint
+      - id: docker-compose

Dockerfile

 ARG image
+# hadolint ignore=DL3006
 FROM ${image}
+# hadolint ignore=DL3018,DL4001
 RUN apk add --update --no-cache openssl || true && \
     wget https://github.com/tianon/gosu/releases/download/1.10/gosu-amd64 || \
     curl -fsSL https://github.com/tianon/gosu/releases/download/1.10/gosu-amd64 -o gosu-amd64 && \

README.md

@@ -3,7 +3,7 @@
 [![pipeline status](https://git.shore.co.il/nimrod/docker-runas-test/badges/master/pipeline.svg)](https://git.shore.co.il/nimrod/docker-runas-test/-/commits/master)
 
 > A test suite for the runas Docker entrypoint.
-See [here](https://www.shore.co.il/blog/docker_uid/) for more info.
+> See [here](https://www.shore.co.il/blog/docker_uid/) for more info.
 
 ## Requirements
 
@@ -13,7 +13,7 @@ See [here](https://www.shore.co.il/blog/docker_uid/) for more info.
 ## Usage
 
 ```
-bats test.bats
+bats tests/
 ```
 
 ## License
@@ -22,7 +22,7 @@ This software is licensed under the MIT license (see `LICENSE.txt`).
 
 ## Author Information
 
-Nimrod Adar, [contact me](mailto:nimrod@shore.co.il) or visit my [website](
-https://www.shore.co.il/). Patches are welcome via [`git send-email`](
-http://git-scm.com/book/en/v2/Git-Commands-Email). The repository is located
-at: <https://git.shore.co.il/explore/>.
+Nimrod Adar, [contact me](mailto:nimrod@shore.co.il) or visit my
+[website](https://www.shore.co.il/). Patches are welcome via
+[`git send-email`](http://git-scm.com/book/en/v2/Git-Commands-Email). The repository
+is located at: <https://git.shore.co.il/expore/>.