update vite base path for external deployments

Author: thisismattmiller

Dockerfile

@@ -1,6 +1,10 @@
 # Frontend build stage
 FROM node:22-alpine AS frontend-builder
 
+
+ARG VITE_BASE_PATH=./
+ENV VITE_BASE_PATH=$VITE_BASE_PATH
+
 WORKDIR /app/frontend
 
 # Copy frontend package files

frontend/vite.config.ts

@@ -4,7 +4,7 @@ import { resolve } from 'path'
 
 export default defineConfig({
   plugins: [vue()],
-  base: './',
+  base: process.env.VITE_BASE_PATH || './',
   resolve: {
     alias: {
       '@': resolve(__dirname, 'src')