If you have enabled Actuator in your Spring Boot application, then in addition to the standard endpoints for health and metrics, you can also add your own endpoint to expose custom metrics. In its simplest form, this is done by adding a @Component and @Endpoint annotation to a custom class that returns the metrics, and … Java: exposing a custom Actuator endpoint with Spring Boot
At some point you may need to schedule a maintenance window for your solution But that doesn’t mean the end-user traffic or client integrations will stop requesting the services from the GCP external HTTPS LB that fronts all client requests. The VM instances and GKE clusters that normally respond to requests may not be able … GCP: Cloud Function to handle requests to HTTPS LB during maintenance
GCP Cloud Functions have taken a step forward with the 2nd generation release. One of the biggest architectural differences is that now multiple request can run concurrently on a single instance, enabling large traffic loads. In this article, I will show you how to deploy a simple Python Flask web server as a 2nd gen … GCP: Deploying a 2nd gen Python Cloud Function and exposing from an HTTPS LB
As opposed to public GKE clusters which have their IP addresses exposed, private GKE clusters use private internal IP addresses. This provides an enhanced security stance, but also means we need a solution such as Anthos Service Mesh to explicitly expose our services. In our previous article, we built a private GKE cluster using Terraform. … GCP: Private GKE Cluster with Anthos Service Mesh exposing services
As opposed to public GKE clusters which have their IP addresses exposed, private GKE clusters use private internal IP addresses that offer a level of security and segmentation that should always be preferred. In this article, I will show you how to create a private GKE cluster with Terraform. The endpoint is private also for … GCP: Private GKE Cluster with private endpoint using Terraform
WireGuard aims to be the successor to IPsec and more performant than OpenVPN. It is a general purpose VPN that is secure enough for servers, yet light enough to run on embedded devices. In this article, I will show how to install WireGuard on two Ubuntu servers in completely different hyperscalers that are linked by … Ubuntu: site-to-site VPN with WireGuard