docs: [#1] Explain purpose of this project

README.md

@@ -1,5 +1,27 @@
 # mcvs-integrationtest-services
 
+This repository, "mcvs-integrationtest-services" provides a versatile Docker
+image designed to mimic multiple services, including Okta, AWS, and others. The
+primary purpose of this Docker image is to facilitate comprehensive testing
+environments where developers can simulate real-world scenarios involving
+various services without needing to interact with the actual external services.
+This approach is especially beneficial in integration, component and
+end-to-end (e2e) testing, ensuring that all aspects of the application's
+interaction with these services are thoroughly vetted.
+
+In conjunction with the [dockertest](https://github.com/ory/dockertest) library,
+this image allows developers to write robust and extensive tests that cover a
+wide range of scenarios. Dockertest is a Go package essential for running Docker
+containers as part of the testing process. By integrating these simulated
+services, developers can streamline their testing process, detect potential
+issues early, and maintain the stability and reliability of the system. This
+repository thus plays a crucial role in enhancing the overall quality and
+security of the application by ensuring that it performs as expected in various
+integrated environments.
+
+Note: This image can be used with other programming languages as well, as long
+as they have a framework similar to go-dockertest
+
 ## Build
 
 ```zsh