Add heroku specific copy task (#2)

gulpfile.babel.js

@@ -8,6 +8,7 @@ const plugins = gulpLoadPlugins();
 const paths = {
   js: ['./**/*.js', '!dist/**', '!node_modules/**', '!coverage/**', '!./server/docs/**'],
   nonJs: ['./package.json', './.gitignore', './.env', './server/**/static/**'],
+  prodNonJs: ['./package.json', './server/**/static/**'],
   docs: ['./server/docs/**'],
   tests: './server/tests/*.js'
 };
@@ -22,6 +23,12 @@ function copy() {
     .pipe(gulp.dest('dist'))
 }
 
+function deployCopy() {
+  return gulp.src(paths.prodNonJs)
+    .pipe(plugins.newer('dist'))
+    .pipe(gulp.dest('dist'))
+}
+
 function babelTask(done) {
   return gulp.src([...paths.js, '!gulpfile.babel.js'], { base: '.'})
     .pipe(plugins.newer('dist'))
@@ -48,6 +55,9 @@ function nodemon(done) {
 
 gulp.task('clean', clean);
 gulp.task('copy', copy);
+gulp.task('deployCopy', deployCopy);
 gulp.task('babelTask', babelTask);
 gulp.task('serve', gulp.series(clean, copy, nodemon));
 gulp.task('default', gulp.series(clean, copy, babelTask));
+gulp.task('deployBuild', gulp.series(clean, deployCopy, babelTask));
+

package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "build": "gulp",
-    "heroku-postbuild": "npm run build",
+    "heroku-postbuild": "gulp deployBuild",
     "lint": "esw *.js server config --color",
     "lint:watch": "npm run lint -- --watch",
     "start": "gulp serve",