fix(build): default to upstream API if no env var is set (#40)

Author: kahboom

src/modules/components/Settings.tsx

@@ -85,7 +85,7 @@ export function Settings({
 					fieldId="rekor-endpoint-override"
 				>
 					<TextInput
-						value={localBaseUrl ?? ""}
+						value={localBaseUrl ?? "https://rekor.sigstore.dev"}
 						type="text"
 						onChange={handleChangeBaseUrl}
 						placeholder={

src/pages/index.tsx

@@ -116,8 +116,10 @@ export default PageComponent;
 export async function getServerSideProps() {
 	return {
 		props: {
-			NEXT_PUBLIC_REKOR_DEFAULT_DOMAIN:
-				process.env.NEXT_PUBLIC_REKOR_DEFAULT_DOMAIN,
-		}, // will be passed to the page component as props
+			NEXT_PUBLIC_REKOR_DEFAULT_DOMAIN: process.env
+				.NEXT_PUBLIC_REKOR_DEFAULT_DOMAIN
+				? process.env.NEXT_PUBLIC_REKOR_DEFAULT_DOMAIN
+				: null,
+		}, // gets passed to the page component as props
 	};
 }