flatten app dirs structure, setup for heroku deployment, quick build fixes

.gitignore

-# Logs
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Bower dependency directory (https://bower.io/)
-bower_components
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
-node_modules/
-jspm_packages/
-
-# Typescript v1 declaration files
-typings/
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional REPL history
-.node_repl_history
-
-# Output of 'npm pack'
-*.tgz
-
-# Yarn Integrity file
-.yarn-integrity
-
-# dotenv environment variables file
-.env
-
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# compiled output
+/dist
+/tmp
+/out-tsc
+
+# dependencies
+/node_modules
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# misc
+/.sass-cache
+/connect.lock
+/coverage
+/libpeerconnection.log
+npm-debug.log
+testem.log
+/typings
+
+# e2e
+/e2e/*.js
+/e2e/*.map
+
+# System Files
+.DS_Store
+Thumbs.db

oser-app/.gitignore

-# See http://help.github.com/ignore-files/ for more about ignoring files.
-
-# compiled output
-/dist
-/tmp
-/out-tsc
-
-# dependencies
-/node_modules
-
-# IDEs and editors
-/.idea
-.project
-.classpath
-.c9/
-*.launch
-.settings/
-*.sublime-workspace
-
-# IDE - VSCode
-.vscode/*
-!.vscode/settings.json
-!.vscode/tasks.json
-!.vscode/launch.json
-!.vscode/extensions.json
-
-# misc
-/.sass-cache
-/connect.lock
-/coverage
-/libpeerconnection.log
-npm-debug.log
-testem.log
-/typings
-
-# e2e
-/e2e/*.js
-/e2e/*.map
-
-# System Files
-.DS_Store
-Thumbs.db

oser-app/README.md

-# OserApp
-
-This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 1.0.0.
-
-## Development server
-
-Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.
-
-## Code scaffolding
-
-Run `ng generate component component-name` to generate a new component. You can also use `ng generate directive/pipe/service/class/module`.
-
-## Build
-
-Run `ng build` to build the project. The build artifacts will be stored in the `dist/` directory. Use the `-prod` flag for a production build.
-
-## Running unit tests
-
-Run `ng test` to execute the unit tests via [Karma](https://karma-runner.github.io).
-
-## Running end-to-end tests
-
-Run `ng e2e` to execute the end-to-end tests via [Protractor](http://www.protractortest.org/).
-Before running the tests make sure you are serving the app via `ng serve`.
-
-## Further help
-
-To get more help on the Angular CLI use `ng help` or go check out the [Angular CLI README](https://github.com/angular/angular-cli/blob/master/README.md).

oser-app/package.json → package.json

 {
   "name": "oser-app",
-  "version": "0.0.0",
+  "version": "0.1.0",
   "license": "MIT",
   "scripts": {
     "ng": "ng",
-    "start": "ng serve",
+    "start": "node server.js",
     "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",
-    "e2e": "ng e2e"
+    "e2e": "ng e2e",
+    "postinstall": "ng build --prod"
   },
   "private": true,
   "dependencies": {
@@ -21,31 +22,37 @@
     "@angular/platform-browser": "^4.0.0",
     "@angular/platform-browser-dynamic": "^4.0.0",
     "@angular/router": "^4.0.0",
+    "@angular/cli": "1.4.9",
+    "@angular/compiler-cli": "^4.4.6",
     "core-js": "^2.4.1",
+    "express": "^4.16.3",
     "fuse.js": "^3.2.0",
     "jump.js": "^1.0.2",
     "ngx-markdown": "^1.5.0",
     "remove-markdown": "^0.2.2",
     "rxjs": "^5.1.0",
+    "typescript": "~2.2.0",
     "zone.js": "^0.8.4"
   },
   "devDependencies": {
-    "@angular/cli": "1.0.0",
-    "@angular/compiler-cli": "^4.0.0",
     "@types/jasmine": "2.5.38",
     "@types/node": "~6.0.60",
     "codelyzer": "~2.0.0",
+    "enhanced-resolve": "^4.0.0",
     "jasmine-core": "~2.5.2",
     "jasmine-spec-reporter": "~3.2.0",
     "karma": "~1.4.1",
     "karma-chrome-launcher": "~2.0.0",
     "karma-cli": "~1.0.1",
+    "karma-coverage-istanbul-reporter": "^0.2.0",
     "karma-jasmine": "~1.1.0",
     "karma-jasmine-html-reporter": "^0.2.2",
-    "karma-coverage-istanbul-reporter": "^0.2.0",
     "protractor": "~5.1.0",
     "ts-node": "~2.0.0",
-    "tslint": "~4.5.0",
-    "typescript": "~2.2.0"
+    "tslint": "~4.5.0"
+  },
+  "engines": {
+    "node": "9.5.0",
+    "npm": "5.6.0"
   }
 }

server.js

+/*
+Lightweight Express production server.
+*/
+
+// Create an Express server
+const express = require('express');
+const app = express();
+
+// Serve only the static files form the dist directory
+app.use(express.static(__dirname + '/dist'));
+
+// Start the app by listening on the default Heroku port
+// (Heroku gives the app a port through the $PORT environment variable)
+// Use port 4200 by default
+const port = process.env.PORT || 4200
+app.listen(port);
+console.log(`Server listening on port ${port}`);