diff --git a/.github/workflows/production.yml b/.github/workflows/production.yml
index c4dfbe6..13ef4e3 100644
--- a/.github/workflows/production.yml
+++ b/.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
@@ -50,4 +56,4 @@ jobs:
             cd /home/${{ secrets.USERNAME }}
             echo "${{ secrets.GHCR_SECRET }}" | docker login ghcr.io -u ${{ env.GH_USER }} --password-stdin
             docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-            docker compose up -d
\ No newline at end of file
+            docker compose up -d
diff --git a/Dockerfile b/Dockerfile
index 4e4cec6..71f120a 100644
--- a/Dockerfile
+++ b/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 . .
@@ -20,4 +35,4 @@ COPY --from=builder /app/.output ./.output
 EXPOSE 3000
 
 # Run the compiled Nitro server
-CMD ["node", ".output/server/index.mjs"]
\ No newline at end of file
+CMD ["node", ".output/server/index.mjs"]