feat: add dockerized 3proxy control plane backend

Dockerfile

@@ -0,0 +1,48 @@
+FROM node:22-bookworm-slim AS app-build
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm install
+
+COPY tsconfig.json tsconfig.app.json tsconfig.node.json tsconfig.server.json vite.config.ts index.html ./
+COPY public ./public
+COPY src ./src
+COPY server ./server
+
+RUN npm run build
+
+FROM debian:bookworm-slim AS proxy-build
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends build-essential ca-certificates git \
+  && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /tmp
+RUN git clone --depth=1 https://github.com/3proxy/3proxy.git
+
+WORKDIR /tmp/3proxy
+RUN ln -s Makefile.Linux Makefile && make
+
+FROM node:22-bookworm-slim
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV PORT=3000
+ENV AUTO_START_3PROXY=true
+ENV THREEPROXY_BINARY=/usr/local/bin/3proxy
+ENV RUNTIME_DIR=/app/runtime
+
+COPY --from=app-build /app/dist ./dist
+COPY --from=app-build /app/server-dist ./server-dist
+COPY --from=proxy-build /tmp/3proxy/bin/3proxy /usr/local/bin/3proxy
+
+RUN mkdir -p /app/runtime/generated /app/runtime/state/reports /app/runtime/logs
+
+EXPOSE 3000 1080 2080 3128 8081
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
+  CMD node -e "fetch('http://127.0.0.1:3000/api/health').then((r)=>{if(!r.ok)process.exit(1)}).catch(()=>process.exit(1))"
+
+CMD ["node", "server-dist/index.cjs"]