index.js

/* eslint-disable require-jsdoc */
import fs from 'fs';
import adapter from 'cloudflare-worker-adapter';
import {RedisCache} from 'cloudflare-worker-adapter/cache/redis.js';


const env = {
  ...process.env,
  DATABASE: new RedisCache(process.env.REDIS_URL || 'redis://localhost:6379'),
};

try {
  const buildInfo = JSON.parse(fs.readFileSync('../../dist/buildinfo.json', 'utf-8'));
  process.env.BUILD_TIMESTAMP = buildInfo.timestamp;
  process.env.BUILD_VERSION = buildInfo.sha;
  console.log(buildInfo);
} catch (e) {
  console.log(e);
}

const bodyMethods = new Set(['POST', 'PUT', 'PATCH', 'DELETE']);

function requestBuilder(baseURL, req) {
  const reqHost = req.headers['x-forwarded-host'] || req.headers['host'];
  const reqScheme = req.headers['x-forwarded-proto'] || req.headers['x-scheme'];

  const method = req.method;
  const headers = req.headers;
  const body = bodyMethods.has(method) ? req : null;
  const reqInit = {method, headers, body};

  if (reqHost) {
    return new Request(`${reqScheme || 'http'}://${reqHost}${req.url}`, reqInit);
  } else {
    return new Request(baseURL + req.url, reqInit);
  }
}

// 延迟加载 ../main.js， 防止ENV过早初始化
const {default: worker} = await import('../../main.js');
adapter.startServerV2(env.PORT, env.HOST, env, {}, requestBuilder, worker.fetch);