[TASK] Add usage examples in README

README.md

@@ -1,7 +1,32 @@
 # Docker image for `TypoScript Lint`
 
+[![Docker hub](http://dockeri.co/image/brosua/typo3-typoscript-lint?&kill_cache=1)](https://hub.docker.com/r/brosua/typo3-typoscript-lint)
+
 Tiny Alpine-based multistage-build dockerized version of [TypoScript Lint](https://github.com/martin-helmich/typo3-typoscript-lint). The image is built with the latest PHP and Typoscript Lint version.
 
+## Usage
+### Command line
+```bash
+docker run --rm -it -v $(pwd):/data brosua/typo3-typoscript-lint .
+```
+You can also add all options of typo3-typoscript-lint to your command:
+```bash
+docker run --rm -it -v $(pwd):/data brosua/typo3-typoscript-lint -c .build/testing/.typoscript-lint.yml
+```
+### GitLab CI
+```yaml
+stages:
+ - lint
+
+lint-typoscript:
+  stage: lint
+  image:
+    name: brosua/typo3-typoscript-lint
+    entrypoint: ["/bin/ash", "-c"]
+  script:
+    - typoscript-lint
+```
+
 ## License
 
 **[MIT License](LICENSE)**