谢宇宁
@@ -0,0 +1,253 @@
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import { createRequire } from "node:module";
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import {
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cp,
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lstat,
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mkdir,
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readFile,
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readdir,
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realpath,
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rename,
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rm,
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writeFile,
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} from "node:fs/promises";
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import { dirname, join, resolve } from "node:path";
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import { parse } from "dotenv";
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const environment = process.argv[2] || "production";
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if (!["development", "test", "production"].includes(environment)) {
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throw new Error("Unknown environment");
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}
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/** 本地构建目录（test/dev 分目录，避免互相覆盖） */
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const buildDirectory =
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environment === "production" ? ".next" : environment === "test" ? ".next-test" : ".next-dev";
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/** 测试包保留 .next-test，与 1047 测试服 run.sh 一致；正式包统一为 .next */
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const runtimeDirectory = environment === "test" ? buildDirectory : ".next";
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const destination = resolve("dist", environment);
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const require = createRequire(import.meta.url);
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/** 将包内 .next-test / .next-dev 路径改写为 .next（不含 node_modules） */
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async function rewriteRuntimeDistDir(root: string, from: string, to: string) {
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if (from === to) return;
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const skip = new Set(["node_modules"]);
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const walk = async (dir: string) => {
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for (const entry of await readdir(dir, { withFileTypes: true })) {
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if (skip.has(entry.name)) continue;
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const path = join(dir, entry.name);
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if (entry.isDirectory()) {
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await walk(path);
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continue;
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}
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if (!/\.(js|mjs|cjs|json|map)$/.test(entry.name)) continue;
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const text = await readFile(path, "utf8");
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if (!text.includes(from)) continue;
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await writeFile(path, text.split(from).join(to));
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}
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};
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await walk(root);
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}
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const readConfig = async (file: string) =>
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parse(
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await readFile(file).catch((error: NodeJS.ErrnoException) => {
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if (error.code === "ENOENT") return Buffer.alloc(0);
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throw error;
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}),
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);
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const config = {
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...(await readConfig(resolve("config", `${environment}.env`))),
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...(await readConfig(resolve("config", `${environment}.local.env`))),
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...process.env,
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};
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const runtimePort = (config.PORT || "3000").trim() || "3000";
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for (const directory of [resolve("dist"), destination]) {
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const info = await lstat(directory).catch((error: NodeJS.ErrnoException) => {
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if (error.code === "ENOENT") return null;
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throw error;
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});
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if (
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info &&
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(!info.isDirectory() || info.isSymbolicLink() || (await realpath(directory)) !== directory)
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) {
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throw new Error("Standalone output must be an ordinary build directory");
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}
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}
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const buildId = (await readFile(resolve(buildDirectory, "BUILD_ID"), "utf8")).trim();
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if (!buildId) throw new Error(`${buildDirectory}/BUILD_ID 为空，请先 pnpm build`);
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await rm(destination, { recursive: true, force: true });
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await mkdir(destination, { recursive: true });
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await cp(resolve(buildDirectory, "standalone"), destination, { recursive: true });
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await cp(resolve("public"), resolve(destination, "public"), { recursive: true });
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await cp(
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resolve(buildDirectory, "static"),
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resolve(destination, buildDirectory, "static"),
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{ recursive: true },
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);
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// 测试/开发构建：把包内目录规范成 .next，并改写 server.js / chunks 中的 distDir
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if (buildDirectory !== runtimeDirectory) {
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const fromDir = resolve(destination, buildDirectory);
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const toDir = resolve(destination, runtimeDirectory);
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await rm(toDir, { recursive: true, force: true });
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await rename(fromDir, toDir);
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await rewriteRuntimeDistDir(destination, buildDirectory, runtimeDirectory);
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}
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// 将 standalone server.js 默认端口改为当前环境 PORT（Next 生成时写死 3000）
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{
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const serverJsPath = resolve(destination, "server.js");
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const serverJs = await readFile(serverJsPath, "utf8");
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const nextDefaultPort =
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/const currentPort = parseInt\(process\.env\.PORT, 10\) \|\| 3000/;
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if (!nextDefaultPort.test(serverJs)) {
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throw new Error(
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"server.js 未找到默认端口写法 `parseInt(process.env.PORT, 10) || 3000`，请检查 Next standalone 产物",
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);
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}
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await writeFile(
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serverJsPath,
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serverJs.replace(
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nextDefaultPort,
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`const currentPort = parseInt(process.env.PORT, 10) || ${runtimePort}`,
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),
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);
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}
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await mkdir(resolve(destination, "config"), { recursive: true });
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await cp(
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resolve("config", `${environment}.env`),
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resolve(destination, "config", `${environment}.env`),
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);
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if (environment !== "test") {
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const dotenvRoot = dirname(require.resolve("dotenv/package.json"));
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await mkdir(resolve(destination, "node_modules"), { recursive: true });
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await cp(dotenvRoot, resolve(destination, "node_modules/dotenv"), {
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recursive: true,
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});
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}
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// 运行包 package.json：禁止 next start，必须走 standalone server.js
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await writeFile(
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resolve(destination, "package.json"),
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`${JSON.stringify(
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{
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name: "jha-1049-sgdj-web",
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version: "1.0.0",
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private: true,
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type: "module",
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scripts: {
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start: "node ./start.mjs",
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},
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engines: { node: ">=20.9.0" },
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},
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null,
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2,
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)}\n`,
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);
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await writeFile(
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resolve(destination, "start.mjs"),
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`import { readFileSync, existsSync } from 'node:fs';
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import { setDefaultResultOrder } from 'node:dns';
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import { resolve, dirname } from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { parse } from 'dotenv';
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setDefaultResultOrder('ipv4first');
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const root = dirname(fileURLToPath(import.meta.url));
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process.chdir(root);
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if (existsSync(resolve('static'))) {
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throw new Error('Standalone must run in an isolated directory without a legacy static/ folder');
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}
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const buildIdFile = resolve(${JSON.stringify(runtimeDirectory)}, 'BUILD_ID');
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if (!existsSync(buildIdFile)) {
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throw new Error(
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'缺少 ' + ${JSON.stringify(runtimeDirectory)} + '/BUILD_ID。请使用打包产物并用 node start.mjs 启动，不要使用 next start。',
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);
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}
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const environment = ${JSON.stringify(environment)};
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const read = (file) => (existsSync(file) ? parse(readFileSync(file)) : {});
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const config = {
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...read(resolve('config', environment + '.env')),
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...read(resolve('config', environment + '.local.env')),
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...process.env,
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APP_ENV: environment,
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NODE_ENV: 'production',
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};
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const api = (config.API_PROXY_TARGET || config.NEXT_PUBLIC_API_BASE_URL || '').trim();
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if (!api) throw new Error('API_PROXY_TARGET 或 NEXT_PUBLIC_API_BASE_URL 必填');
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Object.assign(process.env, config);
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// standalone 入口（不是 next start）
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await import('./server.js');
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`,
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);
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if (environment === "test") {
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const lockfile = resolve("package-lock.json");
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if (!(await readFile(lockfile).catch(() => Buffer.alloc(0))).length) {
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throw new Error("测试包需要 package-lock.json，供服务器 npm ci --omit=dev");
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}
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await cp(resolve("package.json"), resolve(destination, "package.json"));
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await cp(lockfile, resolve(destination, "package-lock.json"));
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await mkdir(resolve(destination, "scripts"), { recursive: true });
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await cp(resolve("scripts/next-env.mjs"), resolve(destination, "scripts/next-env.mjs"));
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await cp(
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resolve("scripts/check-health.mjs"),
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resolve(destination, "scripts/check-health.mjs"),
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);
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}
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await writeFile(
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resolve(destination, "ecosystem.config.cjs"),
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`/** PM2：必须 node start.mjs，禁止 next start */
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module.exports = {
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apps: [
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{
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name: "sgdj_h5",
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cwd: __dirname,
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script: "start.mjs",
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interpreter: "node",
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instances: 1,
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exec_mode: "fork",
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env: {
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NODE_ENV: "production",
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APP_ENV: ${JSON.stringify(environment)},
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HOSTNAME: "0.0.0.0",
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PORT: ${JSON.stringify(runtimePort)},
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},
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},
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],
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};
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`,
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);
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const packagedBuildId = (
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await readFile(resolve(destination, runtimeDirectory, "BUILD_ID"), "utf8")
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).trim();
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if (packagedBuildId !== buildId) {
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throw new Error(`打包后 BUILD_ID 不一致：build=${buildId} packaged=${packagedBuildId}`);
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}
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const api =
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config.API_PROXY_TARGET?.trim() || config.NEXT_PUBLIC_API_BASE_URL?.trim();
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if (!api) {
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console.warn(
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`[package-standalone] 警告：当前 ${environment} 未配置 API_PROXY_TARGET / NEXT_PUBLIC_API_BASE_URL`,
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);
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}
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console.log(`Standalone package ready: ${destination}`);
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console.log(`BUILD_ID=${packagedBuildId}`);
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console.log(`PORT=${runtimePort}`);
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console.log(`启动：cd ${destination} && node start.mjs`);
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console.log(`或：pm2 start ${destination}/ecosystem.config.cjs`);
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Block a user