misc docker changes, fix typos, fix postoffice tests

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     expose:
       - "13618/tcp" # Internal HTTP REST API service. The webserver talks to this in order to obtain FSD state info.
     ports:
-      - "6809/tcp"
+      - "6809:6809/tcp"
     environment:
       DATABASE_SOURCE_NAME: /db/openfsd.db?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)
       DATABASE_AUTO_MIGRATE: true
@@ -23,8 +23,8 @@ services:
     restart: unless-stopped
     container_name: openfsd_web
     hostname: openfsd_web
-    expose:
-      - "8000/tcp"
+    ports:
+      - "8000:8000/tcp"
     environment:
       DATABASE_SOURCE_NAME: /db/openfsd.db?_pragma=busy_timeout(5000)&_pragma=journal_mode(WAL)
       FSD_HTTP_SERVICE_ADDRESS: "http://openfsd_fsd:13618"