Month: December 2018

Build a REST API with Node.js SQLite and Express JS

In this guide you can build a REST API with Node.js SQLite and Express.js. Then, in a next part, we will be building automated Unit tests using Mocha and Chai, ready for a Test-Driven Development (TDD).

The main components of this REST service are:

  • A Node.js base project, created as a NPM module
  • An Express.js web server to manage the API endpoints, requests and responses
  • A SQLite database for application storage

Continue reading “Build a REST API with Node.js SQLite and Express JS”

Deploy your Applications in Heroku

In this post we will learn how to deploy your web applications in Heroku, for free. Heroku is a Cloud Platform-as-a-Service (PAAS). This company provides the base platform server, network resources and endpoints to publish your applications. However, you need to provide the application code and the rest is created automatically for you.

Sometimes, we need to test or showcase a quick prototype of a cloud based web application, REST API backend , or a static web application client. Heroku is a good solution to quickly host application at no cost. For example, they support the most popular languages and frameworks like Node.js, Ruby, Python, Java, PHP, Go, Scala, Clojure.

The general steps to deploy your application are:

  1. Register in the Heroku platform
  2. Install the Heroku CLI
  3. Login locally to Heroku
  4. Create your application and store it in a Git repository
  5. Configure your application for Heroku deployment.
  6. Register your application in Heroku
  7. Associate your git repository with your Heroku app
  8. Push your application to the Heroku application master repository
  9. Access your application from https://your-app.herokuapp.com

Continue reading “Deploy your Applications in Heroku”

Using Database models in Python and Django

After creating your Django web application, you can start using Database models in Python and Django. There are the main steps to get your models and application working with a Database.

  1. Create new models for data processing
  2. Adding your models to the admin interface
  3. Playing with your models to create, edit, filter and delete information
  4. Upgrading your models with new attributes and methods
  5. Integrating data in your application.

In this guide, we continue from the previous post Web Applications using Python and Django.

Continue reading “Using Database models in Python and Django”

Implement Push Notifications in iOS with Swift

In this post we implement Push Notifications in iOS with Swift. Actually, this process is easier than before, with only a small set of steps:

  1. Activate Push notifications in your iOS project
  2. Request permissions for User notifications
  3. Register in Apple Push Notifications service
  4. Sending Test notifications
  5. Handling Notifications in your app

Continue reading “Implement Push Notifications in iOS with Swift”

Web Applications using Python and Django

In this post we will Create Web Applications using Python and Django.

When it comes to web development back-ends, there are many alternatives, from PHP, Java and C# to GoLang and Ruby. Python also has many options to implement a powerful web application service. One of the most used web frameworks is Django.

Django provides a full featured web development framework, and automated tools for a straightforward development. In this post we create a full featured basic web applications using Python and Django, with the most common features for any web application:

  • Install Python and Django
  • Create the base Django Web application project
  • Create an application inside the Django project.
  • Create the main database and tables for administration
  • Run the web application locally

Then, in the next posts we will cover additional topics:

  • Create new models for data processing
  • Adding your models to the admin interface
  • Front-end web development with templates
  • Publish and deploy your application in Heroku

Continue reading “Web Applications using Python and Django”