Project/
--lib/
--node_modules/
--test/
--index.js
--package.json

var gulp = require('gulp');
var clean = require('gulp-clean');
var zip = require('gulp-zip');
var merge = require('merge-stream');

gulp.task('clean', function () {
    var build = gulp.src('build', {read: false})
        .pipe(clean());
    var dist = gulp.src('dist', {read: false})
        .pipe(clean());

    return merge(build, dist);
});

gulp.task('build', function() {
    var index = gulp.src('index.js')
        .pipe(gulp.dest('build'));
    var lib = gulp.src('lib/**')
        .pipe(gulp.dest('build/lib'));
    var async = gulp.src('node_modules/async/**')
        .pipe(gulp.dest('build/node_modules/async'));
    var collections = gulp.src('node_modules/collections/**')
        .pipe(gulp.dest('build/node_modules/collections'));
    var underscore = gulp.src('node_modules/underscore/**')
        .pipe(gulp.dest('build/node_modules/underscore'));
    var util = gulp.src('node_modules/util/**')
        .pipe(gulp.dest('build/node_modules/util'));
    var xml2js = gulp.src('node_modules/xml2js/**')
        .pipe(gulp.dest('build/node_modules/xml2js'));

    return merge(index, lib, async, collections, underscore, util, xml2js);
});

gulp.task('zip', ['build'], function() {
    return gulp.src('build/*')
        .pipe(zip('archive.zip'))
        .pipe(gulp.dest('dist'));
});

gulp.task('default', ['zip']);

alias installAndUpload='npm install && gulp runUploader'

var gulp = require('gulp');
var watch = require('gulp-watch');
var sftp = require('gulp-sftp');
var gzip = require('gulp-gzip');

gulp.task('runUploader', function () {
    gulp.src('.path/to/folder/to/compress/**')
        .pipe(tar('archive.tar'))
        .pipe(gzip())
        .pipe(gulp.dest('path/to/folder/to/store')) // if you want a local copy
        .pipe(sftp({
            host: 'website.com',
            user: 'johndoe',
            pass: '1234'
        }))
});

{
  "name": "my-lambda",
  "version": "1.0.0",
  "scripts": {
    "postpack": "tarball=$(npm list --depth 0 | sed 's/@/-/g; s/ .*/.tgz/g; 1q;'); tar -tf $tarball | sed 's/^package\///' | zip -@r package; rm $tarball"
  },
  "files": [
    "/index.js",
    "/lib"
  ],
  "dependencies": {
    "async": "*",
    "collections": "*",
    "underscore": "*",
    "util": "*",
    "xml2js": "*"
  },
  "bundledDependencies": [
    "async",
    "collections",
    "underscore",
    "util",
    "xml2js"
  ],
  "devDependencies": {
    "chai": "*",
    "mocha": "*"
  }
}

index.js
lib/
node_modules/
├── async/
├── collections/
├── underscore/
├── util/
└── xml2js/