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Category: Programming

Programming insights

  • Programming

Private AWS API Gateways

  • derek.pfister
  • August 3, 2022August 3, 2022

In terms of communicating between AWS accounts, there are many methods available. Some include sharing of s3 files and/or sending messages utilizing eventbridge. One of the most powerful methods available…

  • Programming

Use of a Bastion Host in AWS Cloud Environment

  • derek.pfister
  • May 2, 2022May 2, 2022

One could have any number of EC2 instance, RDS instances, along with  other services that can be actively connected to in an AWS acocunt. Since connecting directly to any one…

  • Pitfalls
  • Programming

AWS VPC Gateway vs. Interface Endpoints

  • derek.pfister
  • February 24, 2022February 24, 2022

Setting up a VPC within AWS is a critical component to the security of a cloud setup. When lamdbas are connected to the VPC, they become disconnected from AWS services…

  • Programming

Mulesoft Process, System, and Experience APIs

  • derek.pfister
  • December 30, 2021June 15, 2023

Mulesoft is a core technology in many leading organizations. When designing a mule API,  one of the first things an engineer must do is decide what type of Mule API…

  • Pitfalls
  • Programming

IP Exhaustion inside VPC

  • derek.pfister
  • October 6, 2021October 6, 2021

Many organizations set up VPC in the cloud for security. When you set up the VPC, there are only limited number of IP addresses based on the CIDR range defined…

  • Programming

AWS Step Functions as Cloud Batch Scripts

  • derek.pfister
  • May 20, 2021May 20, 2021

AWS Step functions are a very powerful tool that can help any team leverage AWS. When the AWS team developed step functions, they were really trying to replicate a way…

  • Pitfalls
  • Programming

Challenges with AWS Security Using VPC

  • derek.pfister
  • February 9, 2021February 9, 2021

A common scenario in cloud computing is an AWS serverless lambda function reading or writing from a serverless storage, namely S3. If you are using a lambda to connect to…

  • Programming

Terraform for Multi-Cloud, Multi-Environment Development

  • derek.pfister
  • January 28, 2021January 28, 2021

Terraform is a fantastic infrastructure as code tool that is cloud agnostic. Cloud-agnostic means that much of the same terraform scripts can be run on AWS cloud as well as…

  • Programming

Benefits of a Microservice Implementation – Concrete Example

  • derek.pfister
  • June 11, 2020June 11, 2020

In designing a service, there is often a question of how many methods and how granular you want to go.  There is a risk of making the interface too complex,…

  • Programming

Aysnc Await

  • derek.pfister
  • April 3, 2020April 3, 2020

The async/await operators have been around for some time (since C# 5.0, introduced in 2012) and have been of substantial use. A question about their use arises however: Why aren’t…

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