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Set cache tag for thumbnail image

This commit is contained in:
Radhi Fadlillah 2019-08-20 14:29:38 +07:00
parent 39bf9840a2
commit f62fd30f65
1 changed files with 8 additions and 0 deletions
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8
internal/webserver/handler-ui.go
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@ -200,6 +200,14 @@ func (h *handler) serveThumbnailImage(w http.ResponseWriter, r *http.Request, ps
mimeType := http.DetectContentType(buffer)
w.Header().Set("Content-Type", mimeType)
// Set cache value
info, err := img.Stat()
checkError(err)
etag := fmt.Sprintf(`W/"%x-%x"`, info.ModTime().Unix(), info.Size())
w.Header().Set("ETag", etag)
w.Header().Set("Cache-Control", "max-age=86400")
// Serve image
img.Seek(0, 0)
_, err = io.Copy(w, img)