create health check handler

health check

internal/server/handle_health.go

@@ -0,0 +1,13 @@
+package server
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+)
+
+func handleHealthCheck() echo.HandlerFunc {
+	return func(c echo.Context) error {
+		return c.String(http.StatusOK, "healthy")
+	}
+}

internal/server/routes.go

@@ -10,6 +10,7 @@ import (
 
 func (s Server) MountHandlers() {
 	// public
+	s.Router.GET("/health", handleHealthCheck())
 	s.Router.GET("/debug/pprof/*", echo.WrapHandler(http.DefaultServeMux))
 	s.Router.GET("/", handleLoginPage())
 	s.Router.POST("/", handleLogin(s.as))

internal/server/server.go

@@ -34,6 +34,7 @@ type Server struct {
 	addr      string
 	secretKey string
 	apiKey    string
+	Health    *HealthHandler
 }
 
 type options struct {