production docker deployment update

docker/Dockerfile.web

@@ -0,0 +1,25 @@
+# Frontend — multi-stage build (Vite + Nginx)
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci
+
+COPY . .
+
+ENV VITE_API_BASE=/api/v1
+
+RUN npm run build
+
+FROM nginx:alpine
+
+COPY --from=builder /app/dist /usr/share/nginx/html
+COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+  CMD wget --quiet --tries=1 --spider http://localhost:80/health || exit 1
+
+CMD ["nginx", "-g", "daemon off;"]