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[configcat] ensure that browser updates the cache #19125

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Nov 23, 2023
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3 changes: 3 additions & 0 deletions components/proxy/plugins/configcat/configcat.go
Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,9 @@ func (c *ConfigCat) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddy
arr := strings.Split(r.URL.Path, "/")
configVersion := arr[len(arr)-1]

// ensure that the browser must revalidate it, but still cache it
w.Header().Set("Cache-Control", "no-cache")

if c.configCatConfigDir != "" {
c.ServeFromFile(w, r, configVersion)
return nil
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