Fix showing pdfs in production

Removed redundant PDF.js worker initialization from
PDFViewer component and updated the worker source path in main.tsx.

Downgraded react-pdf to v8.0.2 to resolve compatibility issues and
fixed missing newline in nginx.conf.

project/docker-compose.yml

@@ -19,11 +19,11 @@ services:
   coordinator:
     build:
       context: backend/coordinator
-      dockerfile: ../../Dockerfile
     env_file:
       - .env
     depends_on:
-      - db
+      db:
+        condition: service_healthy
     healthcheck:
       test:  wget --spider --no-verbose http://127.0.0.1:5000/health || exit 1
       interval: 10s

project/frontend/docker/nginx.conf

@@ -20,4 +20,4 @@ server {
     location = /50x.html {
         root   /usr/share/nginx/html;
     }
-}
+}

project/frontend/package.json

@@ -26,7 +26,7 @@
 		"react": "^19.0.0",
 		"react-dom": "^19.0.0",
 		"react-material-file-upload": "^0.0.4",
-		"react-pdf": "^9.2.1",
+		"react-pdf": "^8.0.2",
 		"socket.io-client": "^4.8.1"
 	},
 	"devDependencies": {

project/frontend/src/components/pdfViewer.tsx

@@ -1,16 +1,11 @@
 import { useEffect, useRef, useState } from "react";
-import { Document, Page, pdfjs } from "react-pdf";
+import { Document, Page } from "react-pdf";
 import "react-pdf/dist/esm/Page/AnnotationLayer.css";
 import "react-pdf/dist/esm/Page/TextLayer.css";
 import ArrowCircleLeftIcon from "@mui/icons-material/ArrowCircleLeft";
 import ArrowCircleRightIcon from "@mui/icons-material/ArrowCircleRight";
 import { Box, IconButton } from "@mui/material";
 
-pdfjs.GlobalWorkerOptions.workerSrc = new URL(
-  "pdfjs-dist/build/pdf.worker.min.mjs",
-  import.meta.url,
-).toString();
-
 interface PDFViewerProps {
   pitchBookId: string;
 }

project/frontend/src/main.tsx

@@ -34,9 +34,8 @@ declare module "@tanstack/react-router" {
 	}
 }
 
-// Initialize PDF.js worker
 pdfjs.GlobalWorkerOptions.workerSrc = new URL(
-	"pdfjs-dist/build/pdf.worker.min.mjs",
+	"pdfjs-dist/build/pdf.worker.min.js",
 	import.meta.url,
 ).toString();