diff --git a/templates/astro/keystatic.config.ts b/templates/astro/keystatic.config.ts
index c8991d16b..f0f5e1b5e 100644
--- a/templates/astro/keystatic.config.ts
+++ b/templates/astro/keystatic.config.ts
@@ -17,7 +17,10 @@ export default config({
           formatting: true,
           dividers: true,
           links: true,
-          images: true,
+          images: {
+            directory: 'src/assets/images/posts',
+            publicPath: '../../assets/images/posts/',
+          },
         }),
       },
     }),
diff --git a/templates/astro/src/styles.css b/templates/astro/src/styles.css
index 0da67e5a2..ebeb56b6d 100644
--- a/templates/astro/src/styles.css
+++ b/templates/astro/src/styles.css
@@ -22,3 +22,8 @@ ol {
   margin-bottom: 1rem;
   color: #1d1d1d;
 }
+
+img {
+  height: auto;
+  max-width: 100%;
+}