Fix immutable header on static image

vercel · Jun 8, 2021 · 60925e2 · 60925e2
1 parent 3860ea6
commit 60925e2
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/packages/next/next-server/server/image-optimizer.ts b/packages/next/next-server/server/image-optimizer.ts
@@ -163,7 +163,12 @@ export async function imageOptimizer(
         const contentType = getContentType(extension)
         const fsPath = join(hashDir, file)
         if (now < expireAt) {
-          res.setHeader('Cache-Control', 'public, max-age=0, must-revalidate')
+          res.setHeader(
+            'Cache-Control',
+            isStatic
+              ? 'public, max-age=315360000, immutable'
+              : 'public, max-age=0, must-revalidate'
+          )
           if (sendEtagResponse(req, res, etag)) {
             return { finished: true }
           }

diff --git a/test/integration/image-optimizer/test/index.test.js b/test/integration/image-optimizer/test/index.test.js
@@ -517,6 +517,12 @@ function runTests({ w, isDev, domains }) {
       expect(res.headers.get('cache-control')).toBe(
         'public, max-age=315360000, immutable'
       )
+
+      const res2 = await fetchViaHTTP(appPort, '/_next/image', query, opts)
+      expect(res2.status).toBe(200)
+      expect(res2.headers.get('cache-control')).toBe(
+        'public, max-age=315360000, immutable'
+      )
     }
   })