523 Origin Is Unreachable

Cloudflare specific error. Cloudflare could not contact the origin server due to routing issues.

When and Why to Use It

Cloudflare specific error. Cloudflare could not contact the origin server due to routing issues.

Usage Examples

Shokupan (Functional)

import { HttpException, get } from 'shokupan';

export const getResource = get('/resource', () => {
    throw new HttpException('Origin Is Unreachable', 523);
});

Shokupan (Controller)

import { Controller, Get, HttpException } from 'shokupan';

@Controller('/api')
export class ExampleController {
    @Get('/resource')
    getResource() {
        throw new HttpException('Origin Is Unreachable', 523);
    }
}

Express

import express from 'express';
const app = express();

app.get('/resource', (req, res) => {
    res.status(523).json({ error: 'Origin Is Unreachable' });
});

Nest

import { Controller, Get, HttpException } from '@nestjs/common';

@Controller('api')
export class ExampleController {
  @Get('resource')
  getResource() {
    throw new HttpException('Origin Is Unreachable', 523);
  }
}

Koa

import Koa from 'koa';
const app = new Koa();

app.use(async ctx => {
  if (ctx.path === '/resource' && ctx.method === 'GET') {
    ctx.status = 523;
    ctx.body = { error: 'Origin Is Unreachable' };
  }
});