update a route and removed the promotion thingy

.drone.yml

@@ -16,11 +16,6 @@ steps:
   - docker build -t drone-example .
   - docker rm -f drone-example
   - docker run -d -p 127.241.212.77:1098:5000 --restart always --name drone-example drone-example
-  when:
-    event:
-    - promote
-    target:
-    - production
 
 volumes:
 - name: docker-socket

main.go

@@ -12,7 +12,7 @@ import (
 
 func main() {
 	r := http.NewServeMux()
-	r.HandleFunc("/foo", func(w http.ResponseWriter, r *http.Request) {
+	r.HandleFunc("/foo/sum", func(w http.ResponseWriter, r *http.Request) {
 		if r.Method != http.MethodGet {
 			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
 			return