add multiply

.woodpecker.yml

@@ -11,20 +11,6 @@ steps:
         GOARCH: amd64
       commands:
         - go test ./...
-  go-check-version:
-    image: golang:1.24
-    commands:
-      - echo "Checking project version..."
-      - VERSION_CURRENT=$(grep 'version =' main.go | cut -d'"' -f2)
-      - PREV_COMMIT=$(git rev-parse HEAD^)
-      - VERSION_PREV=$(git show "$PREV_COMMIT:main.go" | grep 'version =' | cut -d'"' -f2)
-      - |
-        if [ "$VERSION_CURRENT" = "$VERSION_PREV" ]; then
-          echo "❌ The version has not changed. You must update it to merge to main."
-          exit 1
-        else
-          echo "✅ The version has changed correctly."
-        fi
   go-build:
     image: golang:1.24
     environment:

main.go

@@ -32,6 +32,11 @@ func main() {
 		b, _ := strconv.Atoi(r.URL.Query().Get("b"))
 		json.NewEncoder(w).Encode(map[string]int{"result": sub(a, b)})
 	})
+	mux.HandleFunc("/multiply", func(w http.ResponseWriter, r *http.Request) {
+		a, _ := strconv.Atoi(r.URL.Query().Get("a"))
+		b, _ := strconv.Atoi(r.URL.Query().Get("b"))
+		json.NewEncoder(w).Encode(map[string]int{"result": multiply(a, b)})
+	})
 
 	http.ListenAndServe(":8080", mux)
 }
@@ -43,3 +48,7 @@ func sum(a, b int) int {
 func sub(a, b int) int {
 	return a - b
 }
+
+func multiply(a, b int) int {
+	return a * b
+}