feat(api): increase file upload size limits to 100MB (#1959)

Co-authored-by: Tofik Hasanov <[email protected]>

Author: github-actions[bot]

apps/api/src/attachments/attachments.service.ts

@@ -19,7 +19,7 @@ import { UploadAttachmentDto } from './upload-attachment.dto';
 export class AttachmentsService {
   private s3Client: S3Client;
   private bucketName: string;
-  private readonly MAX_FILE_SIZE_BYTES = 60 * 1024 * 1024; // 60MB
+  private readonly MAX_FILE_SIZE_BYTES = 100 * 1024 * 1024; // 100MB
   private readonly SIGNED_URL_EXPIRY = 900; // 15 minutes
 
   constructor() {

apps/api/src/knowledge-base/utils/constants.ts

@@ -3,7 +3,7 @@
  */
 
 // File size limits
-export const MAX_FILE_SIZE_BYTES = 10 * 1024 * 1024; // 10MB
+export const MAX_FILE_SIZE_BYTES = 100 * 1024 * 1024; // 100MB
 
 // Signed URL expiration
 export const SIGNED_URL_EXPIRATION_SECONDS = 3600; // 1 hour

apps/api/src/main.ts

@@ -38,8 +38,10 @@ async function bootstrap(): Promise<void> {
   );
 
   // STEP 3: Configure body parser
-  app.use(express.json({ limit: '70mb' }));
-  app.use(express.urlencoded({ limit: '70mb', extended: true }));
+  // NOTE: Attachment uploads are sent as base64 in JSON, so request payloads are
+  // larger than the raw file size. Keep this above the user-facing max file size.
+  app.use(express.json({ limit: '150mb' }));
+  app.use(express.urlencoded({ limit: '150mb', extended: true }));
 
   // STEP 4: Enable global pipes and filters
   app.useGlobalPipes(

apps/api/src/questionnaire/utils/constants.ts

@@ -8,7 +8,7 @@ export const MIN_CHUNK_SIZE_CHARS = 5_000;
 export const MAX_QUESTIONS_PER_CHUNK = 1;
 
 // File size limits
-export const MAX_FILE_SIZE_BYTES = 10 * 1024 * 1024; // 10MB
+export const MAX_FILE_SIZE_BYTES = 100 * 1024 * 1024; // 100MB
 
 // LLM Model identifiers
 export const PARSING_MODEL = 'gpt-5-mini';

apps/api/src/tasks/attachments.service.ts

@@ -20,7 +20,7 @@ import { UploadAttachmentDto } from './dto/upload-attachment.dto';
 export class AttachmentsService {
   private s3Client: S3Client;
   private bucketName: string;
-  private readonly MAX_FILE_SIZE_BYTES = 10 * 1024 * 1024; // 10MB
+  private readonly MAX_FILE_SIZE_BYTES = 100 * 1024 * 1024; // 100MB
   private readonly SIGNED_URL_EXPIRY = 900; // 15 minutes
 
   constructor() {

apps/api/src/trust-portal/trust-portal.service.ts

@@ -44,7 +44,7 @@ interface VercelDomainResponse {
 export class TrustPortalService {
   private readonly logger = new Logger(TrustPortalService.name);
   private readonly vercelApi: AxiosInstance;
-  private readonly MAX_FILE_SIZE_BYTES = 50 * 1024 * 1024;
+  private readonly MAX_FILE_SIZE_BYTES = 100 * 1024 * 1024;
   private readonly SIGNED_URL_EXPIRY_SECONDS = 900;
 
   constructor() {

apps/app/next.config.ts

@@ -52,7 +52,9 @@ const config: NextConfig = {
 
   experimental: {
     serverActions: {
-      bodySizeLimit: '15mb',
+      // NOTE: Attachment uploads may be sent as base64 strings, which increases payload size.
+      // Keep this above the user-facing max file size.
+      bodySizeLimit: '150mb',
       allowedOrigins:
         process.env.NODE_ENV === 'production'
           ? ([process.env.NEXT_PUBLIC_PORTAL_URL, 'https://app.trycomp.ai'].filter(

apps/app/src/actions/files/upload-file.ts

@@ -93,7 +93,7 @@ export const uploadFile = async (input: z.infer<typeof uploadAttachmentSchema>)
     console.log('[uploadFile] Converting file data to buffer');
     const fileBuffer = Buffer.from(fileData, 'base64');
 
-    const MAX_FILE_SIZE_MB = 10;
+    const MAX_FILE_SIZE_MB = 100;
     const MAX_FILE_SIZE_BYTES = MAX_FILE_SIZE_MB * 1024 * 1024;
     if (fileBuffer.length > MAX_FILE_SIZE_BYTES) {
       logger.warn(

apps/app/src/app/(app)/[orgId]/questionnaire/components/QuestionnaireSidebar.tsx

@@ -38,7 +38,7 @@ export function QuestionnaireSidebar() {
         <ul className="text-xs text-muted-foreground space-y-1.5">
           <li className="flex items-start gap-2">
             <span className="text-primary mt-0.5">•</span>
-            <span>Files up to 10MB are supported</span>
+            <span>Files up to 100MB are supported</span>
           </li>
           <li className="flex items-start gap-2">
             <span className="text-primary mt-0.5">•</span>

apps/app/src/app/(app)/[orgId]/questionnaire/components/QuestionnaireUpload.tsx

@@ -59,7 +59,7 @@ export function QuestionnaireUpload({
         ) : (
           <Dropzone
             onDrop={onFileSelect}
-            maxSize={10 * 1024 * 1024}
+            maxSize={100 * 1024 * 1024}
             maxFiles={1}
             multiple={false}
             disabled={isLoading}
@@ -89,7 +89,7 @@ export function QuestionnaireUpload({
                       {isDragActive ? 'Drop file here' : 'Drag & drop or click to select'}
                     </p>
                     <p className="text-xs text-muted-foreground">
-                      PDF, Excel, CSV (max 10MB)
+                      PDF, Excel, CSV (max 100MB)
                     </p>
                   </div>
                 </div>