There are only two hard things in Computer Science: cache invalidation and naming things. — Phil Karlton Depends on the company size. Small businesses usually go for dashes and get the wildcard certificate. So they would have dev.example.com, test.example.com In larger enterprises they usually have a DNS infrastructure rolled out and the provisioning processes takes … Read more
While implementing a microservice architecture at my previous job we decided the best approach was in alignment with #1, Add identity service and authorize service access through it. In our case this was done with tokens. If a request came with an authorization token then we could verify that token with the identity service if … Read more
I’m a developer on Cloud Foundry — and yes, Cloud Foundry is indeed a bit nebulous (no pun intended). Hopefully I can help clarify things a bit. Cloud Foundry is a platform as a service, but it needs an infrastructure as a service underneath it. Cloud Foundry supports vSphere, vCloud, OpenStack, and Amazon AWS as … Read more
Docker is a technology for creating and running Linux “containers.” In some sense, you can think of these as lightweight VMs. A docker container for SpringBoot app will consist of a docker image, which will basically contain a filesystem with all the things needed to run your app (JVM, your source code, etc.), and docker … Read more
IaaS, PaaS and SaaS are cloud computing service models. IaaS (Infrastructure as a Service), as the name suggests, provides you the computing infrastructure, physical or (quite often) virtual machines and other resources like virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc. Examples: Amazon EC2, Windows … Read more