Docs for installation using docker changed

docs/installation/docker.md

@@ -6,11 +6,16 @@ You will need the following things properly installed on your computer.
 
 * **[Git](https://git-scm.com/)**
 * **[Docker CE](https://docs.docker.com/install/)**
+* **[docker-compose](https://docs.docker.com/compose/install/)**
 
 ## Steps
 * `git clone <repository-url>` this repository
 * `cd open-event-frontend`
-* `docker build . -t opev-frontend`
-* `docker run -d --name opev-frontend-container -p 4200:4000 opev-frontend`
 
-* Visit your app at [http://localhost:4200](http://localhost:4200).
+* `cp .env.example .env`
+* `docker-compose up --build -d`
+
+* Visit your app at [http://localhost:4200](http://localhost:4200)
+
+## Version Information
+* These steps were tested successfully on _Pop!OS 20.04(LTS)_ with **Docker version 19.03.12** and **docker-compose version 1.26.2**