Articles

• London workspaces I've tried

  My infrequently-updated list of places to work remotely in London

• The curious case of 'maxSession' in EAP/Wildfly

  What does maxSession do? Where does it come from? Who even are you, anyway?

• I wrote an MVP in Java and it was actually pleasant

  Sometimes the best tools are the tools you already know.

• Building a contact form API with Apache Camel and Quarkus

  What happens when you don't want to pay for, or use, a SaaS app? Well, you write your own, of course.

• Transformation in Camel: How to do it

  Want your data, your way? Learn all about the different ways that you can transform data in Apache Camel.

• Why I've launched a new website

  I've started a new blog for my tech articles. Here's why.

• When should you use Apache Camel?

  See the use cases for Apache Camel, and when you might think about using this Java integration framework.

• What are Camel routes?

  Understanding routes and how to use them in Apache Camel

• Enterprise Integration Patterns: Book Review

  It's a classic software architecture book. Is it worth a buy?

• Red Hat Fuse on OpenShift Tutorial [video]

  Getting started with Fuse? Follow this short video, where I create a Fuse app and deploy it onto OpenShift.

• Pulling images into OpenShift from the Red Hat registry

  How to use all those sweet images from the Red Hat registry, without nasty authorisation errors

• A Brief Guide to DevOps

  A brief introduction to the ideas of DevOps

• Event-driven integration on Kubernetes with Camel & KEDA

  Can we develop apps in Kubernetes that autoscale based on events? Perhaps, with this example using KEDA, ActiveMQ and Apache Camel

• Kubernetes on AWS: a developer's perspective

  Playing around and learning Kubernetes? I tried creating an EKS cluster

• Taking action

  Some thoughts currently percolating with me on how to take action on side projects

• Introducing... Safety Curtain

  From lockdown idea to MVP: I launched a new tiny product this week

• How I use draw.io at the command line

  How to create nice-looking diagrams in an open, shareable, Git-friendly format

• From developer to author: how I wrote a book

  I wrote and self-published a technical book. Here's my story, in case you're thinking of doing the same.

• Asciidoctor syntax - a cheatsheet

  I was writing a lot of Asciidoctor so I thought I'd make a cheatsheet.

• Impact Mapping - a cheatsheet

  Here's an impact mapping cheatsheet which you can use as a reminder, or help you run an impact mapping session.

• Using ActiveMQ with Apache Camel - with example

  How to send and receive messages from an ActiveMQ Artemis message broker using Camel's JMS component and Spring Boot

• Connecting to a database or message broker running in OpenShift

  In the development zone? Save time by connecting directly to your database in OpenShift, using port forwarding.

• XA transactions in Camel: a checklist

  What do you need to set up distributed transactions in Apache Camel correctly?

• Calling a RESTful service from Apache Camel

  How to call a REST API from Apache Camel, using Camel's HTTP component

• Monitoring Camel routes with REST

  How to fetch metrics from your Camel routes over HTTP

• Where do our logs go?

  Where do you put logs when developing microservices?

• Can you have multiple Camel Contexts in one app?

  An alternative to running multiple Camel Contexts in Spring Boot

• How to play nicely together

  Codifying team behaviour with a social contract

• Learning by reading other people's code

  How I solve problems and learn; by standing on the shoulders of giants.

• Automation is worth the effort

  Get automating your build, test and deployment processes. The effort is worth it.

• There can be only one properties file

  How to use Linux text manipulation in a Jenkinsfile to produce a Spring Boot properties file

• Adventures in debugging: Camel mock endpoints are real

  I discovered that mock endpoints are actually real

• S2I builds in OpenShift - an example with Java and Maven

  How to create S2I BuildConfigs for OpenShift

• Using environment variables in Jenkins pipelines - with examples

  How to use environment variables inside a Jenkinsfile

• Deploying Spring Boot onto Kubernetes

  Running a Spring Boot Java application on Kubernetes with Minikube

• Using Arquillian Cube to test containers in Kubernetes

  How to implement a basic integration test for a container using Arquillian Cube

• JBoss/Wildfly: Setting a custom resource adapter for an MDB

  Configuring a Message-Driven Bean to use a custom resource adapter, rather than the default one

• Consuming a SOAP service with Apache Camel

  How to use consume a SOAP service using the Apache CXF component in Camel

• Infinispan Query DSL: quick example

  A quick example of using the Query DSL in the Infinispan in-memory cache

• Use the @MockEndpoints annotation in Camel [Video]

  Create mock endpoints in your Camel routes automatically without having to change your route definition

• Creating a REST service using the REST DSL [Video]

  Using the REST DSL and Restlet to create a REST service in Apache Camel

• Bean validation in Apache Camel

  How to use Camel's Bean Validation component to easily perform simple data validation

• Shutting down Camel after X messages

  How to shut down Camel after a certain amount of time or messages, using the new auto-shutdown feature in Camel 2.19+ with Spring Boot

• Using languages with Dozer in Camel

  How to use Simple, Groovy and other expressions in a Dozer mapping

• Spring Boot command line arguments example

  How to run a Spring Boot app with JVM params and command line arguments

• Using a dynamic Git branch name in a Jenkins job

  How to be able to run Jenkins jobs with a dynamic branch name

• Disable the env endpoint for Spring Boot apps

  How to NOT expose your Spring Boot app's configuration

• Cannot resolve symbol in IntelliJ

  One way to fix those squiggly red lines in IntelliJ IDEA

• The Guide to Testing in Apache Camel

  Bring your Camel in for a check-up. Learn how to test your Camel routes, standalone or in Spring Boot.

• How to use Camel with Spring Java configuration

  How to configure Camel using Spring with Java configuration, including detailed examples

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