feat: updated README - Docker usage

README.md

@@ -47,6 +47,16 @@ Infrastructure:
 	- Minio object storage
 - SQLite for testing before deploying
 
+## Usage
+### Docker
+Firstly, run Docker daemon.
+
+Navigate into the project root directory `pb138-film-database-group-project`.
+
+Then in the root directory run `docker-compose up -d` to build, (re)create, start, and attach to containers for a service (optional flag `-d` runs containers in the background).
+
+When you are finished, run `docker-compose down` to stop and remove containers, networks and images created by `up`.
+
 ## TODO
 
 More TBA as features are implemented.