Bind port in docker with udp flag when protocol is udp (#915)

* Bind port in docker with udp flag when port protocol is udp

* Update src/Microsoft.Tye.Hosting/DockerRunner.cs

Co-authored-by: Justin Kotalik <jukotali@microsoft.com>

* Added error when using udp binding for project service

Co-authored-by: Justin Kotalik <jukotali@microsoft.com>

src/Microsoft.Tye.Hosting/DockerRunner.cs

@@ -79,6 +79,11 @@ namespace Microsoft.Tye.Hosting
                         continue;
                     }
 
+                    if (string.Equals(binding.Protocol, "udp", StringComparison.InvariantCultureIgnoreCase))
+                    {
+                        throw new CommandException("Proxy does not support the udp protocol yet.");
+                    }
+
                     var b = new ServiceBinding()
                     {
                         ConnectionString = binding.ConnectionString,
@@ -232,7 +237,7 @@ namespace Microsoft.Tye.Hosting
                     // These are the ports that the application should use for binding
 
                     // 1. Tell the docker container what port to bind to
-                    portString = docker.Private ? "" : string.Join(" ", ports.Select(p => $"-p {p.Port}:{p.ContainerPort ?? p.Port}"));
+                    portString = docker.Private ? "" : string.Join(" ", ports.Select(p => $"-p {p.Port}:{p.ContainerPort ?? p.Port}{(string.Equals(p.Protocol, "udp", StringComparison.OrdinalIgnoreCase) ? "/udp" : string.Empty)}"));
 
                     if (docker.IsAspNet)
                     {

src/Microsoft.Tye.Hosting/ProxyService.cs

@@ -63,6 +63,11 @@ namespace Microsoft.Tye.Hosting
                                         continue;
                                     }
 
+                                    if (string.Equals(binding.Protocol, "udp", StringComparison.InvariantCultureIgnoreCase))
+                                    {
+                                        throw new CommandException("Proxy does not support the udp protocol yet.");
+                                    }
+
                                     var ports = binding.ReplicaPorts;
 
                                     // We need to bind to all interfaces on linux since the container -> host communication won't work