Deploy Angular and Spring Boot application to Google cloud
Published: May 05, 2020 • java, angular, spring
In this blog post, I show you how to deploy an Angular application to Firebase Hosting and a Spring Boot application to Google Cloud Run
Published: May 05, 2020 • java, angular, spring
In this blog post, I show you how to deploy an Angular application to Firebase Hosting and a Spring Boot application to Google Cloud Run
Published: May 04, 2020 • Updated: May 21, 2021 • java, spring
A closer look at Spring Security's support for upgrading password hashes
Published: May 03, 2020 • Updated: May 20, 2021 • javascript, spring, java, ionic
In this blog post, I show you how to create an encrypted Java/JavaScript chat application with the Web Cryptography API.
Published: April 24, 2020 • Updated: May 20, 2021 • javascript, spring, java
In this blog post, I show you how to build a chat application with Cettia and Google Cloud Translation that automatically translates chat messages.
Published: April 23, 2020 • Updated: May 20, 2021 • javascript, spring, java
In this blog post, I show you how to build a simple chat application with a JavaScript front- and a Java backend.
Published: April 03, 2020 • Updated: June 20, 2021 • ionic, spring, javascript, capacitor, java
In this blog post we take a closer look at how to receive push notifications with Capacitor and how to send them from a Spring Boot application
Published: August 25, 2019 • javascript, java, spring, ionic
In this blog post, we will build a password-less authentication system with the FIDO2 WebAuthn standard. I will show you a full-stack demo application with an Ionic / Angular front end and a Spring Boot back end with Spring Security.
Published: August 07, 2019 • java, spring
How to rate limit Spring MVC HTTP endpoints with bucket4j
Published: June 21, 2019 • Updated: April 05, 2020 • java, spring
In this blog post, you learn how to write an authentication system with Spring Security that uses username/password and TOTP (Time-based One-Time Password) as second-factor
Published: June 13, 2019 • java, javascript, spring, ionic
How to create a frictionless password auto-login experience with the Credential Management API.
Published: June 12, 2019 • java, spring, javascript
How to expose build information, like version number, build timestamp, git commit information, of Spring Boot and Angular applications
Published: June 11, 2019 • java, spring, javascript, ionic, capacitor
How to take pictures with the Capacitor camera plugin and upload them to a Spring Boot application with Angular's HttpClient and tus.io.
Published: June 11, 2019 • java, javascript, spring, ionic
How to integrate tus.io implementations into JavaScript and Java applications to create reliable and resumable file uploads over HTTP.
Published: May 15, 2019 • java, spring, ionic
In this blog post, we are going to implement a stateless authentication system with Spring Security, Spring Boot, and an Angular/Ionic client
Published: January 31, 2019 • java, spring
In this blog post we are going to set up a Spring Boot application with jOOQ and Flyway
Published: January 28, 2019 • java, javascript, spring
Getting started with Cettia, a real-time web framework, and Spring Boot
Published: December 11, 2018 • java, spring, ionic, javascript
This blog post shows you a way to upload pictures from a web application to Google Cloud Storage and run them through Google Cloud Vision. The application uses Ionic for the front end and Spring Boot for the back end. It utilizes signed URLs for permitting the client to upload pictures directly from the web application to Google Cloud Storage
Published: June 26, 2018 • pwa, javascript, java, spring, ionic
This blog post takes a closer look at the Background Sync API, part of the service worker implementation, and presents an example that uses Background Sync to synchronize data between an Ionic web application and a Spring Boot server application.
Published: January 09, 2018 • Updated: December 07, 2018 • java, javascript, pwa, spring
In this blog post I show you how you can send push messages from a Spring Boot application over Firebase Cloud Messaging (FCM) to connected clients with the Web Push API. The Push API is part of the Service Worker specification and does not depend on any native plugins.
Published: December 18, 2017 • Updated: July 16, 2019 • ionic, javascript, java, spring
In this blog post I present three different way how to integrate a speech recognition functionality into an Ionic app. With a Cordova plugin, the Web Speech API and with RecordRTC and the Google Cloud Speech API.
Published: November 07, 2017 • Updated: December 05, 2018 • ionic, java, spring, javascript
In this blog post, we create a self-hosted location tracker that consists of three parts. An Ionic/Cordova application that continuously sends the current location to a Spring Boot application from where the locations are broadcasted to a website and visualized on Google Maps.
Published: November 05, 2017 • Updated: December 03, 2018 • ionic, java, spring, javascript
In this blog post we create an Ionic app that dynamically requests location data points from a Spring Boot server and displays them on an OpenStreetMap map. The data points are stored in a MongoDB database, and we take advantage of the geospatial query support to read the data points only for a certain area.
Published: September 26, 2017 • Updated: December 04, 2018 • java, ionic, javascript, spring
A closer look at the Flow.js JavaScript library that helps upload files from a browser to the server. Flow.js is a JavaScript library providing multiple simultaneous, stable, fault-tolerant, and resumable/restartable file uploads via the HTML5 File API.
Published: September 21, 2017 • Updated: December 04, 2018 • spring, java, javascript, ionic
In this blog, we create REST services in Spring Boot and consume them in an Ionic app. We use the OpenAPI specification for generating API documentation and the client TypeScript code.
Published: March 05, 2017 • Updated: February 16, 2018 • java, spring
What are Server-Sent Events and how can you send them from a Spring Boot application
Published: February 26, 2017 • Updated: March 31, 2020 • ionic, spring, javascript, java
This post describes how a Spring Boot can send messages over FCM to an Ionic / Cordova app
Published: February 16, 2017 • Updated: December 06, 2018 • ionic, cordova, spring, s3, javascript, java
How to upload files from an Ionic / Cordova app directly to a Minio server or Amazon S3 with pre-signed URLs.
Published: February 12, 2017 • Updated: December 06, 2018 • ionic, cordova, spring, javascript, java
In this article, we create an Ionic application where the user can take a picture, and the app uploads it to a Spring Boot application.
Published: February 05, 2017 • Updated: December 07, 2018 • ionic, spring, java, javascript
How to implement a JWT authentication system with Ionic/Angular and Spring Boot.
Published: January 26, 2017 • Updated: December 04, 2018 • angular, ionic, spring, java, javascript
Example of form validation in an Ionic application. How to create custom synchronous and asynchronous validators and how to validate data on the server with the Java Bean Validation framework.
Published: January 24, 2017 • Updated: February 16, 2018 • spring, java
How to create RSS and Atom feeds with the Spring Framework and the ROME library
Published: January 14, 2017 • Updated: December 01, 2018 • ionic, spring, java, javascript
Published: January 08, 2017 • Updated: December 23, 2017 • java, spring