Artifact deployment example

Makefile

.PHONY: build
TAG ?=
SERVER ?= staging-server

install:
	npm install

start:
	node --require reify server.js

build:
	mkdir -p build
	zip 'build/$(shell git log -1 --pretty="%h").zip' Makefile package.json -R . '*.js' -R . '*.json'
  
deploy:
  scp build/$(TAG).zip $(SERVER):/data/www/deployment-example/
  ssh $(SERVER) " \
      cd /data/www/deployment-example/ \
      unzip $(TAG).zip -d $(TAG)/ && rm $(TAG).zip \      # unzip the code in a folder
      cd current/ && make stop \                          # stop the current server
      cd ../ && rm current/ && ln -s $(TAG)/ current/ \   # move the symbolic link to the new version
      cd current/ && make start \                         # restart the server
  "
  echo 'Deployed $(TAG) version to $(SERVER)'

package.json

{
  "name": "deployment-example",
  "version": "1.0.0",
  "description": "",
  "main": "server.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start": "node server.js"
  },
  "author": "",
  "dependencies": {
    "axios": "~0.17.1",
    "express": "~4.16.2",
    "reify": "~0.13.0"
  }
}

server.js

import uuid from 'uuid';
import axios from 'axios';
import express from 'express';

const port = process.env.NODE_PORT || 3000;
const baseURL = process.env.PROXY_HOST || 'http://perdu.com/';

const client = axios.create({ baseURL });
const app = express();

app.get('/', (req, res) => {
    const requestOptions = {
        url: req.path,
        method: req.method.toLowerCase(),
        headers: { 'X-Random': uuid.v4() },
    };

    return client(requestOptions).then(response => res.send(response.data));
});

app.listen(port);
console.log(`Proxy is running on port ${port}. Press Ctrl+C to stop.`);