user-guide: add HTTP redirect from err.dvc.org/{header} to troublesho…

…oting guide header per #875 (comment)
iterative · Jan 10, 2020 · d2293b5 · d2293b5
1 parent 775ea17
commit d2293b5
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/server.js b/server.js
@@ -45,6 +45,13 @@ app.prepare().then(() => {
             : pathname)
       })
       res.end()
+    } else if (req.headers.host === 'err.dvc.org') {
+      // err.dvc.org/{hdr} -> dvc.org/doc/user-guide/troubleshooting#{hdr},
+      res.writeHead(301, {
+        'Cache-Control': 'no-cache',
+        Location: `https://dvc.org/doc/user-guide/troubleshooting#${pathname}`
+      })
+      res.end()
     } else if (/^(code|data|remote)\.dvc\.org$/.test(req.headers.host)) {
       // {code/data/remote}.dvc.org -> corresponding S3 bucket
       res.writeHead(301, {