Fix dockerfile

Dockerfile

@@ -37,7 +37,7 @@ RUN npm run bundle || true
 RUN npm run skip-font-warn || true
 
 # Copy nginx config and start script
-COPY --chown=1000nginx.conf /etc/nginx/nginx.conf
+COPY --chown=1000 nginx.conf /etc/nginx/nginx.conf
 COPY --chown=1000 start.sh /app/start.sh
 RUN chmod +x /app/start.sh
 

proxy-renderer.js

@@ -4,7 +4,7 @@ import path from 'path';
 import fs from 'fs';
 import axios from 'axios';
 import os from 'os'
-import { exec } from 'child_process';
+import { exec, spawn } from 'child_process';
 const { RenderUtils } = await import('./src/RenderUtils.cjs');
 const { GenerateScript } = await import('./src/GenerateScript.cjs');
 
@@ -98,16 +98,35 @@ export const renderProxy = async (outFile, jobId, options) => {
 
   await new Promise((resolve, reject) => {
     console.log('Stitching chunks...: ' + concatCmd)
-    exec(concatCmd, (error, stdout, stderr) => {
-      if (error) {
-        console.error(`Error stitching chunks: ${error.message}`);
-        return reject(error);
-      }
-      if (stderr) {
-        console.error(`FFmpeg stderr: ${stderr}`);
+    const ffmpegProcess = spawn(ffmpegPath, [
+      '-f', 'concat',
+      '-safe', '0',
+      '-i', concatListPath,
+      '-c:v', 'copy',
+      '-c:a', 'aac',
+      '-b:a', '192k',
+      '-y',
+      outFile
+    ]);
+
+    ffmpegProcess.stdout.on('data', (data) => {
+      console.log(data.toString());
+    });
+
+    ffmpegProcess.stderr.on('data', (data) => {
+      console.error(data.toString());
+    });
+
+    ffmpegProcess.on('close', (code) => {
+      if (code === 0) {
+        resolve();
+      } else {
+        reject(new Error(`FFmpeg process exited with code ${code}`));
       }
-      console.log(`FFmpeg stdout: ${stdout}`);
-      resolve();
+    });
+
+    ffmpegProcess.on('error', (err) => {
+      reject(err);
     });
   });