add port to compose and readme

README.md

@@ -1,6 +1,9 @@
 A Dockerfile to use the Archipelago through Docker.<br>
 Note: The save file needs to be created somewhere else and then put into the mounted volume before starting the server.
 
+### Port
+- The server port is set to `38281` and needs to be exposed for the server to be reachable
+
 ### Volumes:
 - `/home/archipelago/saves` -> Directory to put the save files into
 

docker-compose.yml

@@ -1,6 +1,8 @@
 services:
     server:
         build: ./
+        ports:
+            - 38281:38281
         volumes:
             - /srv/archipelago/saves:/home/archipelago/saves
         environment: