chore(deploy): 本地部署脚本、容器配置与运行说明

PostgreSQL/pgvector 与 Redis 独立容器，后端、worker、前端可一键启停；不覆盖既有密钥。

Dockerfile.frontend.prod

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+# Build stage
+FROM node:22-slim AS builder
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    wget \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+
+
+# Copy package files first
+COPY frontend/package*.json ./
+
+# Copy frontend source code
+COPY frontend/ .
+
+# Install dependencies with legacy peer deps
+RUN npm install 
+
+# Build the application, widget, and webclient. Use the :prod webclient build so
+# the shipped loader bakes the production fallback URL (the real backend URL is
+# resolved at runtime via window.replypierBaseUrl / APP_CONFIG regardless).
+RUN npm run build-only && \
+    npm run build:widgetdocker && \
+    npm run build:webclient:prod && \
+    if [ ! -f dist/index.html ]; then \
+        echo "<!DOCTYPE html><html><head><meta charset='utf-8'><title>ReplyPier</title><link rel='icon' href='/favicon.ico'></head><body><div id='app'></div><script type='module' src='/src/main.ts'></script></body></html>" > dist/index.html; \
+    fi
+
+# Production stage
+FROM nginx:alpine
+
+# Remove default nginx static assets
+RUN rm -rf /usr/share/nginx/html/*
+
+# Copy the built files to nginx
+COPY --from=builder /app/dist/ /usr/share/nginx/html/
+
+# Also serve the docker-built widget (widget.js/widget.css). build:widgetdocker
+# emits these to /app/backend-assets; without this they are discarded and a
+# frontend-served widget (VITE_WIDGET_URL -> frontend) falls back to the stale
+# checked-in bundle. Fixed filenames, so this won't clobber hashed dashboard assets.
+COPY --from=builder /app/backend-assets/ /usr/share/nginx/html/assets/
+
+# Copy nginx configuration
+COPY frontend/nginx.conf /etc/nginx/conf.d/default.conf
+
+# Copy entrypoint script
+COPY frontend/docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
+
+# Expose port
+EXPOSE 80
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost/ || exit 1
+
+# Use entrypoint script
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["nginx", "-g", "daemon off;"]