next pages uses absolute url resolver to access api from getInitialProps

src/next-lib.js

@@ -0,0 +1,7 @@
+import absoluteUrl from 'next-absolute-url'
+
+export function createApiUrl(req, path) {
+    const { origin } = absoluteUrl(req, 'localhost:3000')
+
+    return `${origin}${path}`
+}