[#4310] allow HEAD requests to the health endpoint

apis/health.go

@@ -12,6 +12,7 @@ func bindHealthApi(app core.App, rg *echo.Group) {
 	api := healthApi{app: app}
 
 	subGroup := rg.Group("/health")
+	subGroup.HEAD("", api.healthCheck)
 	subGroup.GET("", api.healthCheck)
 }
 
@@ -29,6 +30,10 @@ type healthCheckResponse struct {
 
 // healthCheck returns a 200 OK response if the server is healthy.
 func (api *healthApi) healthCheck(c echo.Context) error {
+	if c.Request().Method == http.MethodHead {
+		return c.NoContent(http.StatusOK)
+	}
+
 	resp := new(healthCheckResponse)
 	resp.Code = http.StatusOK
 	resp.Message = "API is healthy."

apis/health_test.go

@@ -12,7 +12,13 @@ func TestHealthAPI(t *testing.T) {
 
 	scenarios := []tests.ApiScenario{
 		{
-			Name:           "health status returns 200",
+			Name:           "HEAD health status",
+			Method:         http.MethodHead,
+			Url:            "/api/health",
+			ExpectedStatus: 200,
+		},
+		{
+			Name:           "GET health status",
 			Method:         http.MethodGet,
 			Url:            "/api/health",
 			ExpectedStatus: 200,