When it comes to the problem of migrating database structure, some of you may think about relational databases: there is a strict schema, and to remove something(field, table, index, etc.), you need to take action: execute an SQL statement. But when you work on schema-less databases, it may look like you don’t need those migrations. But to be honest, are...
Have you ever had a need to use some values from application.properties or **application.yml? How did you take them out? Personally, I always used @Value annotation: @Value("${graphite.host}") private String graphiteHost; It wasn’t the best way to work with my properties. However, I didn’t know a better approach. Then, I found @ConfigurationProperties - annotation from Boot package, which has everything you...
How do you use your logs for searching problem requests? For instance, you got a problem response, with all headers, response body, and you need to find appropriate logs. How would you do that? Personally, I found it useful to write some words about MDC - Mapped Diagnostic Context. Shortly, it is a concept of mapping request specific information. Usage...
At the beginning of June 2016, I visited a JavaDay conference in Lviv, where I listen to a talk about serverless architecture. Today I’d like to try serverless. According to Martin Fowler, serverless is an architecture, which uses third party services or a custom code on ephemeral containers, best known as Amazon Lambda. So, I understand it as an idea...
Once upon a time there was a good developer. He produced a good code, had good relations with his teammates and never break the master branch. This guy followed 11 rules and lived a long - long life. So I’m posting them here, in case someone will have a good reason to improve his way of working on pull requests....
