fix(docker): Update environment variables and improve connection handling for Lavalink

application.yml

@@ -1,7 +1,7 @@
 server:
   port: 2333
   address: 0.0.0.0
-  password: ${LAVALINK_PASSWORD:changeme}  # Uses env var or defaults to 'changeme'
+  password: ${LAVALINK_SERVER_PASSWORD:testing-lavalink-dont-touch}  # Changed to use LAVALINK_SERVER_PASSWORD env var
 
 logging:
   level:
@@ -22,4 +22,10 @@ lavalink:
     bufferDurationMs: 400
     frameBufferDurationMs: 5000
     gc-warnings: true
-    plugins: []
+    plugins: []
+
+# Add specific IPs allowed to connect (your bot container)
+# Set as 0.0.0.0/0 to allow connections from anywhere (not recommended for production)
+# This is important for Docker environments
+  server.ip-rotation: false
+  server.ip-blocks: ["10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16", "127.0.0.1", "0.0.0.0/0"]