diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index 00bd03a..071a755 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -13,6 +13,8 @@ permissions:
 jobs:
   build:
     runs-on: ubuntu-latest
+    env:
+      GITHUB_PAGES: true
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
@@ -34,3 +36,4 @@ jobs:
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4
+
diff --git a/astro.config.mjs b/astro.config.mjs
index 0409cfd..47369e8 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -3,10 +3,14 @@ import { defineConfig } from 'astro/config';
 import react from "@astrojs/react";
 import mdx from '@astrojs/mdx';
 
+const isProd = process.env.GITHUB_PAGES === 'true';
+
 export default defineConfig({
   output: 'static',
-  site: 'https://tutorial-v2.djangogirls.org/',
-  base: '/',
+  site: isProd
+    ? 'https://yourname.github.io/repo-name'
+    : 'http://localhost:4321',
+  base: isProd ? '/repo-name' : '/',
   integrations: [
     react(), 
     mdx()