various

backend/src/workers/thumbnails.rs

@@ -274,7 +274,7 @@ impl JobHandler for GenerateThumbnailsJob {
                 .put_object(
                     &s3_key,
                     image.image_bytes.clone(),
-                    Some("image/png".into()),
+                    Some("image/webp".into()),
                     None,
                 )
                 .await
@@ -315,7 +315,7 @@ impl JobHandler for GenerateThumbnailsJob {
                 .put_object(
                     &s3_key,
                     image.image_bytes.clone(),
-                    Some("image/png".into()),
+                    Some("image/webp".into()),
                     None,
                 )
                 .await
@@ -609,7 +609,7 @@ fn encode_dynamic_image(image: image::DynamicImage) -> Result<GeneratedImage, St
     let (width, height) = image.dimensions();
     let mut cursor = Cursor::new(Vec::new());
     image
-        .write_to(&mut cursor, ImageFormat::Png)
+        .write_to(&mut cursor, ImageFormat::WebP)
         .map_err(|err| err.to_string())?;
     Ok(GeneratedImage {
         image_bytes: cursor.into_inner(),
@@ -660,7 +660,7 @@ fn persist_assets_metadata(
             id: asset.asset_id,
             document_version_id: context.version.id,
             asset_type: asset.asset_type.to_string(),
-            mime_type: "image/png".to_string(),
+            mime_type: "image/webp".to_string(),
             metadata: json!({
                 "generated_at": Utc::now().to_rfc3339(),
             }),