At QCon London 2015 Phil Calcado shared lessons learnt from SoundCloud’s move from a monolithic to microservices architecture, and stated that the core requirements for building a microservice platform include developing capabilities for rapid provisioning, basic monitoring and rapid application deployment.
Microservices are conceptually too big; they conflate optimizing for organisational and technical factors, but solutions to problems of each type may not fit together very well, Phil Wills, senior architect at The Guardian, explained in a presentation at the QCon London conference promoting thinking about independent services and single responsibility applications, rather than microservices.
At the last QCon London, Michael Brunton-Spall, Technical Architect at the UK's Government Digital Service, expressed his views on how DevOps patterns are crucial to successfully operate microservices. Brunton-Spall identified the key ingredients to identify a microservice, explained how to build your first microservice and the necessary tools and practices to manage an ecosystem of microservices.
At QCon London 2015, Dave Farley proposed that although the state of software development has been suboptimal in the past, studies are revealing that the implementation of continuous delivery leads to considerable improvement. Farley stated that continuous delivery changes the economies of software development, and provides more rapid business idea validation and reduced defect rates.
Jez Humble has stated that current software delivery practices are not optimised to create valuable software, and three issues must be addressed in order to enable innovation. First, the traditional project model is unsuitable. Second, the entire organisational value stream must be addressed. Third, the problems are rooted in process and culture, not organisational structure or tooling.
Fastlane is a suite of tools that aim at automating the iOS app release process and provide "a fully working Continuous Deployment process" that can be triggered by running a single command. Interview with fast lane's creator, Felix Krause.
In a blog post on bad code and technical debt Steve Freeman described how Chris Matts came up with the metaphor of an unhedged call option for bad code. This post is being intensively discussed on Reddit and on Hacker News recently. InfoQ interviewed Steve and Chris about using metaphors for bad code and code smells, trade-offs and costs of low quality code, and responsibilities for code quality.
Last week Boxfuse announced the availability of a new release of Flyway, its open source database migration tool. Highlight is the addition of IBM DB2 z/OS, Amazon Redshift and HP Vertica to Flyway's list of supported databases, a move that expands the coverage of the "big data and big iron space." The new release also features SQL callbacks and packaged DB drivers for ease of use.
Nassim Kammah, engineer at Etsy, explained to Velocity Conference attendants how Etsy does continuous integration for mobile apps. Etsy uses a mix of automated and manual processes, still adhering to the same principles that it applies on web development and reusing many of the same tools. Nassim also talked about how Etsy handles the unique set of challenges presented by mobile apps development.
Continuous deployment helps organizations in delivering high quality software fast through build, test and deployment automation. It gives earlier return on investment, earlier feedback and easy process of deployment. Is continuous deployment also good from business perspective?
At GOTO Amsterdam 2014 conference, agile coach Dan North shared his experience as part of a build team employed in a client project back in 2005. The team introduced several (technical and cultural) practices that became core tenets of the Continuous Delivery book and of the DevOps movement (for instance bridging the gap between development and ops teams was critical to success in that project).
Jesper Richter-Reichhelm, Head of Engineering at Wooga, spoke at GOTO Amsterdam 2014 about some of the challenges teams face developing mobile games with a continuous delivery mindset. In particular Jesper stressed how lack of control over the software delivery process on mobile nearly crashed their business.
There has been significant buzz around microservices lately, enough to generate some hype. After implementing heavy and cumbersome SOA solutions for more than a decade, are microservices the solution the industry has been waiting for? Or, are microservices simpler than monolithic solutions?
Using the Deployment Notification plugin for Jenkins developed by CloudBees and either the additional Chef Software plugin or Puppet Labs plugin, engineers can now trace every file installed by Chef or Puppet within Jenkins CI.