a koa2 proxy middleware by means of http-proxy-middleware
npm install koa2-proxy-middleware$ npm install --save-dev koa2-proxy-middleware
js
const Koa = require('koa');
const proxy = require('koa2-proxy-middleware');
const bodyparser = require('koa-bodyparser');const app = new Koa();
const options = {
targets: {
'/user': {
// this is option of http-proxy-middleware
target: 'http://localhost:3000', // target host
changeOrigin: true, // needed for virtual hosted sites
},
'/user/:id': {
target: 'http://localhost:3001',
changeOrigin: true,
},
// (.*) means anything
'/api/(.*)': {
target: 'http://10.94.123.123:1234',
changeOrigin: true,
pathRewrite: {
'/passager/xx': '/mPassenger/ee', // rewrite path
}
},
}
}
app.use(proxy(options));
app.use(bodyparser({
enableTypes:['json', 'form', 'text']
}));
`$3
js
{
targets: {
[key]: [option],
},
}
`
#### key
The key route that you need to proxy.And through path-to-regexp into regexp.
This is mean:
js
const regexp = pathToRegexp('route-key');
regexp.test(ctx.req.path);
``