moved dockerfile to alpine, added some errors in music

src/EllieBot.Voice/LibSodium.cs

@@ -5,6 +5,7 @@ namespace EllieBot.Voice
 {
     internal static unsafe class Sodium
     {
+
         private const string SODIUM = "data/lib/libsodium";
 
         [DllImport(SODIUM, EntryPoint = "crypto_secretbox_easy", CallingConvention = CallingConvention.Cdecl)]

src/EllieBot/Modules/Music/_common/Impl/VoiceProxy.cs

@@ -41,8 +41,9 @@ public sealed class VoiceProxy : IVoiceProxy
             vc.SendPcmFrame(gw, data, 0, length);
             return true;
         }
-        catch (Exception)
+        catch (Exception ex)
         {
+            Log.Error(ex, "Couldn't send pcm frame: {Message}", ex.Message);
             return false;
         }
     }