20 lines
488 B
Go
20 lines
488 B
Go
package internal
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import (
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"net/http"
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"github.com/TecharoHQ/anubis"
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)
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// UnchangingCache sets the Cache-Control header to cache a response for 1 year if
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// and only if the application is compiled in "release" mode by Docker.
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func UnchangingCache(h http.Handler) http.Handler {
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if anubis.Version == "devel" {
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return h
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", "public, max-age=31536000")
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h.ServeHTTP(w, r)
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})
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}
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