parse --publish ports into spec

internal/api/port.go

@@ -41,7 +41,8 @@ func (p *PortSpec) Validate() error {
 	switch p.Protocol {
 	case ProtocolHTTP, ProtocolHTTPS, ProtocolTCP, ProtocolUDP:
 	default:
-		return fmt.Errorf("invalid protocol: '%s'", p.Protocol)
+		return fmt.Errorf("invalid protocol '%s', supported protocols: '%s', '%s', '%s', '%s'",
+			p.Protocol, ProtocolHTTP, ProtocolHTTPS, ProtocolTCP, ProtocolUDP)
 	}
 
 	switch p.Mode {

internal/api/service.go

@@ -32,6 +32,8 @@ func (s *ServiceSpec) Validate() error {
 		return fmt.Errorf("invalid mode: %q", s.Mode)
 	}
 
+	// TODO: validate there is no conflict between ports.
+
 	return nil
 }
 

internal/api/service_test.go

@@ -430,7 +430,7 @@ func TestPortSpec_Validate(t *testing.T) {
 				ContainerPort: 8080,
 				Protocol:      "invalid",
 			},
-			wantErr: "invalid protocol: 'invalid'",
+			wantErr: "invalid protocol 'invalid'",
 		},
 		{
 			name: "invalid mode",