DNE

CloudFoundry: Beyond the maintenance page, delivering a response during service unavailability


Categories: Containers, DNE, Python

For most Cloud Foundry applications and services, you can avoid downtime for maintenance with a combination of following best practices for 12 factor app development and taking advantage of Cloud Foundry’s scaling and flexible routing to implement Blue-Green deployment. But there will still be times where an application, service, or shared backend component does not … CloudFoundry: Beyond the maintenance page, delivering a response during service unavailability

Java: Loading self-signed, CA, and SAN certificates into a Java Keystore


Categories: DNE, Java

The JRE comes preloaded with a set of trusted root authorities, but if you are working with self-signed certificates, or SAN server certificates that were signed using your own Certificate Authority then you are going to need to add these certificates to your trusted keystore. If your Java application attempts to communicate via TLS to … Java: Loading self-signed, CA, and SAN certificates into a Java Keystore

Ubuntu: Creating a trusted CA and SAN certificate using OpenSSL


Categories: DNE, Linux

There are numerous articles I’ve written  where a certificate is a prerequisite for deploying a piece of infrastructure. This article will guide you through creating a trusted CA (Certificate Authority), and then using that to sign a server certificate that supports SAN (Subject Alternative Name).  Operationally, having your own trusted CA is advantageous over a … Ubuntu: Creating a trusted CA and SAN certificate using OpenSSL

CloudFoundry: Logging for the spring-music webapp, Part 4


Categories: Containers, DNE, Java, Logging

Cloud Foundry is an opinionated Platform-as-a-Service that allows you to manage applications at scale.  This article is part of a series that explores different facets of a Cloud Foundry deployment using the spring-music project as an example. This article is Part 4 of  a series on Cloud Foundry concepts: Deploying the spring-music webapp, Part 1 Persisting spring-music data … CloudFoundry: Logging for the spring-music webapp, Part 4

CloudFoundry: Deploying the spring-music webapp, Part 1


Categories: Containers, DNE, Java

Cloud Foundry is an opinionated Platform-as-a-Service that allows you to manage applications at scale.  It supports multiple infrastructure platforms, and is able to standardize deployment, logging,  scaling, and routing in a way friendly to a continuous delivery pipeline. This article is Part 1 of  a series on Cloud Foundry concepts: Deploying the spring-music webapp, Part 1 … CloudFoundry: Deploying the spring-music webapp, Part 1