Document services defined by docker-compose.yml

Author: Koenraad Verheyden

README.md

@@ -96,6 +96,17 @@ information on how to setup this environment.
 
 ### Docker-Compose
 
+The services started by Docker-Compose are defined in [docker-compose.yml].
+Three services are defined:
+
+| name | access                | credentials                | description                            |
+|------|-----------------------|----------------------------|----------------------------------------|
+| web  | http://localhost:3000 | N/A                        | A container running the docs.rs binary |
+| db   | /                     | N/A                        | Postgres database used by web          |
+| s3   | http://localhost:9000 | `cratesfyi` - `secret_key` | Minio (simulates AWS S3) used by web   |
+
+[docker-compose.yml]: ./docker-compose.yml
+
 #### Rebuilding Containers
 
 To rebuild the site, run `docker-compose build`.