Replace the broken link to an archive snapshot
@@ -117,7 +117,7 @@ Please have a look at our [membership guidelines](https://github.com/kubevirt/co
* [Documentation - The Go Programming Language](https://golang.org/doc/)
* [Getting Started - The Go Programming Language](https://golang.org/doc/install)
* Patterns
- * [Introducing Operators: Putting Operational Knowledge into Software](https://coreos.com/blog/introducing-operators.html)
+ * [Introducing Operators: Putting Operational Knowledge into Software](https://web.archive.org/web/20210210032403/https://coreos.com/blog/introducing-operators.html)
* [Microservices](https://martinfowler.com/articles/microservices.html) nice
content by Martin Fowler
* Testing
