Opt: web dist home page use cache

server/handlers/init.go

@@ -17,14 +17,7 @@ func Init(e *gin.Engine) {
 
 		web := e.Group("/web")
 
-		web.Use(func(ctx *gin.Context) {
-			if ctx.Request.URL.Path == "/web/" {
-				ctx.Header("Cache-Control", "no-store")
-			} else {
-				ctx.Header("Cache-Control", "public, max-age=31536000")
-			}
-			ctx.Next()
-		})
+		web.Use(middlewares.NewDistCacheControl("/web/"))
 
 		web.StaticFS("", http.FS(public.Public))
 	}

server/middlewares/distCacheControl.go

@@ -0,0 +1,14 @@
+package middlewares
+
+import "github.com/gin-gonic/gin"
+
+func NewDistCacheControl(prefix string) gin.HandlerFunc {
+	return func(ctx *gin.Context) {
+		if ctx.Request.URL.Path == prefix {
+			ctx.Header("Cache-Control", "no-cache, max-age=300")
+		} else {
+			ctx.Header("Cache-Control", "public, max-age=31536000")
+		}
+		ctx.Next()
+	}
+}