[ACA-1889] Split Getting Started section into separate pages (#710)

* [ACA-1889] Split Getting Started section into separate files

* [ACA-1889] Removed original Getting Started page

* [ACA-1889] Fixed in-page links to new files

docs/getting-started/docker.md

@@ -0,0 +1,42 @@
+---
+---
+
+# Docker
+
+The ACA comes with the ACS 6.0 Community Edition preconfigured.
+The application runs in two modes:
+
+- Development (runs latest source code, requires building application)
+- Preview (runs with latest published containers, master branch)
+
+## Development Mode
+
+Run the local instance of the application packaged into the docker image together with the ACS images:
+
+```sh
+npm run build
+npm run start:docker
+```
+
+The ACA runs on port `4000` when served from within container.
+
+Use the following command to stop all the containers:
+
+```sh
+npm run stop:docker
+```
+
+## Preview Mode
+
+<p class="tip">
+With this mode, you do not need building application from source code or installing dependencies.
+</p>
+
+To run the latest published container go to the `docker-compose` folder and start docker compose from there:
+
+```sh
+cd docker-compose
+docker-compose up
+```
+
+The application is available at the `http://localhost:3000` address.