Replace binary PWA icons with SVG

app/Dockerfile

@@ -0,0 +1,14 @@
+# Build stage
+FROM node:20-alpine AS build
+WORKDIR /app
+COPY package.json package-lock.json* tsconfig*.json vite.config.ts ./
+COPY src ./src
+COPY public ./public
+RUN npm ci --no-audit --no-fund && npm run build
+
+# Serve stage
+FROM nginx:1.27-alpine
+COPY --from=build /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]