Heat provides us with a powerful orchestration engine where we can specify infrastructure in a declarative way. A heat orchestration template is easy to get the hang of and in this article we are going to look at an example of how we can deploy infrastructure using it.
When working with external APIs or databases, especially cloud databases, a lot of things can go wrong. This is where it is important to consider having retries. Spring Retry can handle this for you in an easy and convenient way. In this article, we are going to look at how Spring Retry can robust your application.
I had the need to add a port number to a list of IP addresses and I couldn’t find anything that I could copy & paste from my google searches so I decided to implement it myself and share it for others who in the future might need to do something similar. In this artcile I will display sed append with that example.