Build model latency reference and duplex dialogue flow estimator

Dockerfile

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+FROM node:24-alpine AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --no-audit --no-fund
+COPY index.html ./
+COPY src ./src
+COPY public ./public
+RUN npm run build
+FROM nginx:1.28-alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build --chmod=0755 /app/dist/ /usr/share/nginx/html/
+RUN find /usr/share/nginx/html -type f -exec chmod 644 {} \;
+EXPOSE 8080
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s CMD wget -q -O /dev/null http://127.0.0.1:8080/healthz || exit 1