set internal fqdn hostname for the recorder and disable exposed ports

docker-compose.yml

@@ -75,11 +75,11 @@ services:
     image: bluenviron/mediamtx:latest-ffmpeg
     environment:
       - MTX_PROTOCOLS=tcp
-    ports:
-      - 8554:8554
     volumes:
       - "./config/recorder/mediamtx.yml:/mediamtx.yml"
       - "./data/recorder:/recordings"
+    # Set local fqdn to use internally in the restreamer
+    hostname: recorder.local
     restart: unless-stopped
     networks:
       - net