When starting to develop microservices and micro frontends, often CORS needs to be used to load web resources from different domains. Read on to learn how to enable CORS in Quarkus and Open Liberty...
Deploying Nginx on OpenShift
Many web applications use Nginx as web server to host web resources like HTML and JavaScript. This article describes a mechanism to deploy Nginx on OpenShift, the Kubernetes distribution for enterp...
Connecting to managed Database Services via TLS
This article describes how to use a managed PostgreSQL database in a Quarkus microservice and how to handle TLS certificates. In my application modernization example I have used Postgres as datast...
Externalizing Configurations for OpenShift Deployments
When deploying cloud native applications to different Kubernetes environments it’s important to externalize the configuration from the source code. This article lists some techniques and patterns h...
Logging for OpenShift via LogDNA
This article describes how to set up LogDNA for OpenShift on the IBM Cloud. There are multiple ways to do logging with OpenShift. In my article OpenShift Logging Quick Start I described how to set...
Deployments of Applications to OpenShift via Source
This article describes how to deploy local applications to OpenShift with the OpenShift ‘oc’ CLI (command line interface). The complete source code of the scenarios below is available as open sour...
Deploying Kafka on OpenShift
This article describes an easy way for developers to deploy Kafka on Red Hat OpenShift. Managed Services There are multiple ways to use Kafka in the cloud. One way is to use IBM’s managed Event S...
OpenShift Logging Quick Start
This article describes how to set up logging in Red Hat OpenShift and how to use it to see logs from microservices in one place. OpenShift provides logging capabilities built into the platform to ...
Deploying Postgres on OpenShift
This article describes an easy way for developers to deploy PostgreSQL (or Postgres) on Red Hat OpenShift. Managed Services There are multiple ways to use Postgres in the cloud. One way is to use...
Deploying IBM's Db2 on OpenShift
This article describes an easy way for developers to deploy IBM’s Db2 databases on Red Hat OpenShift. Managed Services There are multiple ways to use Db2 in the cloud. One way is to use IBM’s man...