Home » Author Archives: Pascal Alma

Author Archives: Pascal Alma

Pascal is a senior JEE Developer and Architect at 4Synergy in The Netherlands. Pascal has been designing and building J2EE applications since 2001. He is particularly interested in Open Source toolstack (Mule, Spring Framework, JBoss) and technologies like Web Services, SOA and Cloud technologies. Specialties: JEE, SOA, Mule ESB, Maven, Cloud Technology, Amazon AWS.

Assigning a subdomain to a Beanstalk application with AWS Route 53

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In a previous post I wrote about how to run a Spring Boot application on AWS by using Elastic Beanstalk. I also described earlier how to make your Spring Boot application making use of HTTPS instead of HTTP in combination with BoxFuse. I ended up in that solution to include the necessary SSL certificate in my application sources. Another way ...

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Validating JWT with Spring Boot and Spring Security

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For my current project I will have a REST API set up with Spring Boot (most likely running with BoxFuse). To be able to use the API endpoint the application will check that the incoming request has a valid JWT token provided earlier (by an API service that I trust). To implement this functionality I want to make use of ...

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Seting up https for your REST API with Boxfuse

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In my last post I showed how easy it was to get your REST API based on Spring Boot framework up and running on AWS with the help of Boxfuse. The next step is making use of SSL for the communication with the API. By using SSL we make sure our data is save during the transport between our REST ...

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Example of using extensions in Swift

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Recently I needed a image in my iOS app that was oscillating. I ran into an example of Swift code that showed how to do it and it was actually quite easy to do (for the theory behind the formula see this). The code makes use of the ‘extension’ feature in Swift. This is a really cool feature in Swift. ...

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Starting developing in Swift: Using GitLab with XCode

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As showed in my previous post I have set up a GitLab account so I can host my Git repositories there. In this post I will show how you can combine XCode (v7.1) with GitFlow and GitLab. In fact I will end up to use both XCode (for programming) and the Terminal (for my GitFlow) but that is the same ...

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Adding a NAT to your AWS VPC

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In a previous post I described how to setup a VPC with both private and public subnets with AWS. In the post I showed a basic configuration in which we saw that the instances in the private subnet didn’t have internet access, which was necessary to run ‘yum update’, for instance. In this post I will show you one way ...

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