Fix loading media files in docker setup deployment

Make vite proxy the backend under the media prefix aswell and
make the backend use the vite port by default for the media
base url.

.dockerignore

@@ -2,3 +2,4 @@ worker/transcribee_worker/.data
 backend/__pypackages__
 worker/__pypackages__
 frontend/node_modules/
+packaging/Dockerfile

frontend/vite.config.js

@@ -97,6 +97,7 @@ export default defineConfig({
     proxy: {
       '/api': 'http://127.0.0.1:8000',
       '/api/v1/documents/sync': { target: 'http://127.0.0.1:8000', ws: true },
+      '/media': 'http://127.0.0.1:8000',
     },
   },
   plugins: [

packaging/Dockerfile

@@ -16,7 +16,8 @@ RUN nix-shell packaging/shell.nix --command ./packaging/install_dependencies.sh
 RUN nix-shell packaging/shell.nix --command ./packaging/setup_backend.sh
 
 EXPOSE 5173
-EXPOSE 8000
+
+ENV MEDIA_URL_BASE=http://localhost:5173/
 
 ENTRYPOINT [ "nix-shell", "packaging/shell.nix", "--command" ]