add VITE client vars to build

.github/workflows/production.yml

@@ -32,6 +32,12 @@ jobs:
           tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+          build-args: |
+            VITE_API_BASE_URL=http://chess-pdf-api:5000/api/v1
+            VITE_MATOMO_URL=https://analytics.owenrees.eu
+            VITE_MATOMO_SITE_ID=3
+            VITE_MAINTENANCE_MODE=
+            VITE_MAINTENANCE_MODE_MESSAGE=ChessScribe is currently undergoing maintenance. Some features may be unavailable.
 
   deploy:
     needs: publish

Dockerfile

@@ -1,6 +1,21 @@
 # --- Stage 1: Build Stage ---
 FROM node:24-alpine AS builder
 WORKDIR /app
+
+# 1. Declare the build-time arguments Vite needs
+ARG VITE_API_BASE_URL
+ARG VITE_MATOMO_URL
+ARG VITE_MATOMO_SITE_ID
+ARG VITE_MAINTENANCE_MODE
+ARG VITE_MAINTENANCE_MODE_MESSAGE
+
+# 2. Assign them to environment variables so Vite detects them
+ENV VITE_API_BASE_URL=$VITE_API_BASE_URL
+ENV VITE_MATOMO_URL=$VITE_MATOMO_URL
+ENV VITE_MATOMO_SITE_ID=$VITE_MATOMO_SITE_ID
+ENV VITE_MAINTENANCE_MODE=$VITE_MAINTENANCE_MODE
+ENV VITE_MAINTENANCE_MODE_MESSAGE=$VITE_MAINTENANCE_MODE_MESSAGE
+
 COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
 RUN corepack enable pnpm && pnpm i --frozen-lockfile
 COPY . .