fix build

Dockerfile

@@ -5,8 +5,8 @@ COPY package*.json ./
 RUN npm ci --legacy-peer-deps
 COPY . .
 ENV TINA_PUBLIC_IS_LOCAL=true
-ENV NODE_OPTIONS="--max-old-space-size=6144"
-RUN npm run build:tina
+ENV NODE_OPTIONS="--max-old-space-size=2048"
+RUN npm run build:docker
 
 # Frontend: Nginx serving the static site + TinaCMS admin SPA
 FROM nginx:alpine AS frontend