Add /vss/health endpoint returning HTTP 200

Closes #29

Author: dcorral

.github/workflows/build-and-deploy-rust.yml

@@ -45,6 +45,9 @@ jobs:
         run: |
           sleep 5
 
+          # Health check
+          curl -f http://localhost:8080/vss/health
+
           # Put request with store='storeId' and key=k1
           hex=0A0773746F726549641A150A026B3110FFFFFFFFFFFFFFFFFF011A046B317631
           curl -f --data-binary "$(echo "$hex" | xxd -r -p)" http://localhost:8080/vss/putObjects

rust/server/src/vss_service.rs

@@ -80,6 +80,10 @@ impl Service<Request<Incoming>> for VssService {
 			let prefix_stripped_path = path.strip_prefix(BASE_PATH_PREFIX).unwrap_or_default();
 
 			match prefix_stripped_path {
+				"/health" => Ok(Response::builder()
+					.status(StatusCode::OK)
+					.body(Full::new(Bytes::new()))
+					.unwrap()),
 				"/getObject" => {
 					handle_request(
 						store,