From e9d6046997ccd60dbff7c526a5704f31c4c23d60 Mon Sep 17 00:00:00 2001
From: Gauthier <mail@gauthierth.fr>
Date: Thu, 11 Jul 2024 16:33:33 +0200
Subject: [PATCH] feat: set IPv4 first as an option

---
 .prettierignore                          | 1 +
 docs/getting-started/buildfromsource.mdx | 7 +++++--
 next.config.js                           | 1 +
 server/index.ts                          | 6 ++++--
 4 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/.prettierignore b/.prettierignore
index ad1f34fb7..e7f72ab6e 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -8,3 +8,4 @@ pnpm-lock.yaml
 # assets
 src/assets/
 public/
+docs/
diff --git a/docs/getting-started/buildfromsource.mdx b/docs/getting-started/buildfromsource.mdx
index a7b19282d..e81480106 100644
--- a/docs/getting-started/buildfromsource.mdx
+++ b/docs/getting-started/buildfromsource.mdx
@@ -79,7 +79,7 @@ pnpm start
 ```
   </TabItem>
 </Tabs>
-  
+
 :::info
 You can now access Jellyseerr by visiting `http://localhost:5055` in your web browser.
 :::
@@ -99,6 +99,9 @@ PORT=5055
 
 ## Uncomment if your media server is emby instead of jellyfin.
 # JELLYFIN_TYPE=emby
+
+## Uncomment if you want to force Node.js to resolve IPv4 before IPv6 (advanced users only)
+# FORCE_IPV4_FIRST=true
 ```
 2. Then run the following commands:
 ```bash
@@ -312,7 +315,7 @@ node dist/index.js
 
 Now, Jellyseerr will start when the computer boots up in the background.
   </TabItem>
-  
+
   <TabItem value="nssm" label="NSSM">
 To run jellyseerr as a service:
 1. Download the [Non-Sucking Service Manager](https://nssm.cc/download)
diff --git a/next.config.js b/next.config.js
index aba627be9..d5ae508ab 100644
--- a/next.config.js
+++ b/next.config.js
@@ -4,6 +4,7 @@
 module.exports = {
   env: {
     commitTag: process.env.COMMIT_TAG || 'local',
+    forceIpv4First: process.env.FORCE_IPV4_FIRST === 'true',
   },
   publicRuntimeConfig: {
     // Will be available on both server and client
diff --git a/server/index.ts b/server/index.ts
index e532174c4..91b5e3c57 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -38,8 +38,10 @@ import path from 'path';
 import swaggerUi from 'swagger-ui-express';
 import YAML from 'yamljs';
 
-dns.setDefaultResultOrder('ipv4first');
-net.setDefaultAutoSelectFamily(false);
+if (process.env.forceIpv4First) {
+  dns.setDefaultResultOrder('ipv4first');
+  net.setDefaultAutoSelectFamily(false);
+}
 
 const API_SPEC_PATH = path.join(__dirname, '../overseerr-api.yml');