feat(dist:Dockerfile): initial add dist Dockerfile

Add functionality to add Dockerfile to dist folder
in the same way as the heroku Procfile is created
No docker integration to build image

Closes angular-fullstack#1531

Author: JeremyMarshall

Diff for: app/templates/Gruntfile(grunt).js

@@ -197,7 +197,7 @@ module.exports = function (grunt) {
           dot: true,
           src: [
             '.tmp',
-            '<%%= yeoman.dist %>/!(.git*|.openshift|Procfile)**'
+            '<%%= yeoman.dist %>/!(.git*|.openshift|Procfile|Dockerfile)**'
           ]
         }]
       },

Diff for: app/templates/gulpfile.babel(gulp).js

@@ -497,7 +497,7 @@ gulp.task('build', cb => {
         cb);
 });
 
-gulp.task('clean:dist', () => del([`${paths.dist}/!(.git*|.openshift|Procfile)**`], {dot: true}));
+gulp.task('clean:dist', () => del([`${paths.dist}/!(.git*|.openshift|Procfile|Dockerfile)**`], {dot: true}));
 
 gulp.task('build:client', ['transpile:client', 'styles', 'html', 'constant'], () => {
     var manifest = gulp.src(`${paths.dist}/${clientPath}/assets/rev-manifest.json`);

Diff for: docker/USAGE

@@ -0,0 +1,8 @@
+Description:
+    Add a Dockerfile to the dist folder.
+
+Example:
+    yo angular-fullstack:docker
+
+    This will create:
+        a dist folder with a Dockerfile in it

Diff for: docker/index.js

@@ -0,0 +1,40 @@
+'use strict';
+var util = require('util');
+var yeoman = require('yeoman-generator');
+var exec = require('child_process').exec;
+var chalk = require('chalk');
+var path = require('path');
+var s = require('underscore.string');
+
+var Generator = module.exports = function Generator() {
+  yeoman.generators.Base.apply(this, arguments);
+  this.sourceRoot(path.join(__dirname, './templates'));
+  this.filters = this.config.get('filters') || {};
+};
+
+util.inherits(Generator, yeoman.generators.NamedBase);
+
+Generator.prototype.copyDockerfile = function copyDockerfile() {
+  if(this.abort) return;
+  var done = this.async();
+  this.log(chalk.bold('Creating Dockerfile'));
+  this.copy('Dockerfile', 'dist/Dockerfile');
+  this.conflicter.resolve(function (err) {
+    done();
+  });
+};
+
+Generator.prototype.gruntBuild = function gruntBuild() {
+  if(this.abort) return;
+  var done = this.async();
+
+  this.log(chalk.bold('\nBuilding dist folder, please wait...'));
+  var child = exec('grunt build', function (err, stdout) {
+    done();
+  }.bind(this));
+  child.stdout.on('data', function(data) {
+    this.log(data.toString());
+  }.bind(this));
+};
+
+

Diff for: docker/templates/Dockerfile

@@ -0,0 +1,2 @@
+FROM generatorangularfullstack/angular-fullstack-dist:3.3.0
+