In recent years, you might have noticed a trend of moving from testing more to testing better. And this process is well described here by Enrique A Decoss.
Requirements are the starting point to any testing activities and here's a wonderful statement about making it right by Maaret Pyhäjärvi.
This is a fantastic collection of articles, books, videos, podcasts on testing in DevOps curated by Lisa Crispin.
Dan Snell shares an interesting case of how he and his coworkers came up with the quality process for the microservices project and what trade-offs they had to make on the way.
In relation to that, here's a similarly insightful article about Reinventing the QA process by Julia Zarechneva.