use bun's s3 client

packages/backend/src/routes/user/upload-avatar.ts

@@ -1,7 +1,6 @@
 import { randomUUID } from "node:crypto";
-import { PutObjectCommand } from "@aws-sdk/client-s3";
 import type { BunRequest } from "bun";
-import { bucketName, s3Client, s3Endpoint, s3PublicUrl } from "../../s3";
+import { s3Client, s3Endpoint, s3PublicUrl } from "../../s3";
 
 const MAX_FILE_SIZE = 5 * 1024 * 1024;
 const ALLOWED_TYPES = ["image/png", "image/jpeg", "image/webp", "image/gif"];
@@ -34,23 +33,14 @@ export default async function uploadAvatar(req: BunRequest) {
         return new Response("invalid file extension", { status: 400 });
     }
 
-    const bytes = await file.arrayBuffer();
-    const buffer = Buffer.from(bytes);
-
     const uuid = randomUUID();
     const key = `avatars/${uuid}.${fileExtension}`;
     const publicUrlBase = s3PublicUrl || s3Endpoint;
     const publicUrl = `${publicUrlBase}/${key}`;
 
     try {
-        await s3Client.send(
-            new PutObjectCommand({
-                Bucket: bucketName,
-                Key: key,
-                Body: buffer,
-                ContentType: file.type,
-            }),
-        );
+        const s3File = s3Client.file(key);
+        await s3File.write(file, { type: file.type });
     } catch (error) {
         console.error("failed to upload to S3:", error);
         return new Response("failed to upload image", { status: 500 });

packages/backend/src/s3.ts

@@ -1,4 +1,4 @@
-import { S3Client } from "@aws-sdk/client-s3";
+import { S3Client } from "bun";
 
 const s3Endpoint = process.env.S3_ENDPOINT;
 const s3AccessKeyId = process.env.S3_ACCESS_KEY_ID;
@@ -12,11 +12,9 @@ if (!s3Endpoint || !s3AccessKeyId || !s3SecretAccessKey || !s3BucketName) {
 
 export const s3Client = new S3Client({
     endpoint: s3Endpoint,
-    region: "auto",
-    credentials: {
-        accessKeyId: s3AccessKeyId,
-        secretAccessKey: s3SecretAccessKey,
-    },
+    bucket: s3BucketName,
+    accessKeyId: s3AccessKeyId,
+    secretAccessKey: s3SecretAccessKey,
 });
 
 export const bucketName = s3BucketName;