Protobuf definition with service and message

diff --git a/api/api.proto b/api/api.proto
new file mode 100644 (file)
index 0000000..023ab49
--- /dev/null
+++ b/api/api.proto
@@ -0,0 +1,10 @@
+syntax = "proto3";
+package api;
+
+message PingMessage {
+  string greeting = 1;
+}
+
+service Ping {
+  rpc SayHello(PingMessage) returns (PingMessage) {}
+}
\ No newline at end of file