script that makes an nginx config for every folder in a certain dir

generate-nginx-config.js

const { readdirSync, statSync, writeFileSync } = require('fs')
const { join } = require('path')


// ----------------------------------------- Config
const DIR = '/home/deploy/www';
const TARGET = '/home/deploy/deployNginxConfig';

const HEADER = `
# Config generated by 'generate-nginx-config.js', do not hand-edit

index index.html;
`;

const FOOTER = `
# Config generated by 'generate-nginx-config.js', do not hand-edit
`;

const makeServerRule = name => `
server {
  server_name www.${name};
  return 301 $scheme://${name}$request_uri;
}
server {
  server_name ${name};
  root ${DIR}/${name};
  location / {
    try_files $uri $uri/ =404;
  }
}
`;


// ----------------------------------------- Procedure
console.log();
console.log('start: generate-nginx-config');

console.log(`getting all folders inside of '${DIR}'...`);
const dirs = readdirSync(DIR).filter(f => statSync(join(DIR, f)).isDirectory());
console.log('  ' + dirs.join('\n  ') + '\n');

console.log();
console.log('Generating config entries for each folder using base rule:');
console.log(makeServerRule('${name}'))
console.log();

console.log();
const rules = dirs.map(makeServerRule);
const contents = HEADER + rules.join('\n') + FOOTER;
console.log(contents);
console.log();

// Write the contents to disk
writeFileSync(TARGET, contents);

// restart nginx?

console.log('end: generate-nginx-config');