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Drswith
1e97e4cee4
Direct Go/Docker deployments were serving Vite-hashed /assets without Cache-Control, so browsers re-downloaded the console on every visit. Align with deploy/Caddyfile while keeping index.html on no-cache. Closes #4129
32 lines
1.1 KiB
Go
32 lines
1.1 KiB
Go
//go:build embed || unit
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package web
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import (
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"net/http"
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"strings"
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)
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// staticAssetsCacheControl matches deploy/Caddyfile for hashed frontend assets.
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// Vite emits content-hashed filenames under assets/, so long-lived immutable
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// caching is safe without relying on a reverse proxy.
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const staticAssetsCacheControl = "public, max-age=31536000, immutable"
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// isLongCacheStaticPath reports whether a cleaned URL path (no leading slash)
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// should receive long-lived Cache-Control headers. Aligned with deploy/Caddyfile.
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func isLongCacheStaticPath(cleanPath string) bool {
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cleanPath = strings.TrimPrefix(cleanPath, "/")
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return strings.HasPrefix(cleanPath, "assets/") ||
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cleanPath == "logo.png" ||
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cleanPath == "favicon.ico"
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}
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// applyStaticAssetCacheHeaders sets Cache-Control for long-cacheable static paths.
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// index.html / SPA routes must keep no-cache and are not handled here.
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func applyStaticAssetCacheHeaders(header http.Header, cleanPath string) {
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if header == nil || !isLongCacheStaticPath(cleanPath) {
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return
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}
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header.Set("Cache-Control", staticAssetsCacheControl)
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}
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