Krakow, Poland, 17 - 19 June 2026
From code to control: master deployments with Feature Flagging and OpenFeature
Hands-on Lab (BEGINNER level)
Room Lab 1
Shipping code is good. Shipping a new feature without breaking the rest of the system is even better!
Every release today brings the risk of regressions or bad interactions between existing and new functionality. And what about deploying to only a subset of users? That’s even trickier.
Feature flagging decouples code deployment from feature activation, allowing you to turn blocks on or off at runtime without redeploying.
Fortunately, this practice has been growing with open‑source tools and solid engineering habits. However, beyond simple if‑then‑else, most available solutions are proprietary, heavy or costly to set up.
OpenFeature, a CNCF project, offers an open specification for unified feature flagging, usable both server‑ and client‑side regardless of the backing store.
In this workshop we’ll add a new feature to an existing Java/Angular application and drive its activation through feature flags. Along the way we’ll cover key topics: error handling, A/B testing, progressive rollouts, targeting and observability.
By the end, you’ll know how to deliver faster, safer and with confidence.
Every release today brings the risk of regressions or bad interactions between existing and new functionality. And what about deploying to only a subset of users? That’s even trickier.
Feature flagging decouples code deployment from feature activation, allowing you to turn blocks on or off at runtime without redeploying.
Fortunately, this practice has been growing with open‑source tools and solid engineering habits. However, beyond simple if‑then‑else, most available solutions are proprietary, heavy or costly to set up.
OpenFeature, a CNCF project, offers an open specification for unified feature flagging, usable both server‑ and client‑side regardless of the backing store.
In this workshop we’ll add a new feature to an existing Java/Angular application and drive its activation through feature flags. Along the way we’ll cover key topics: error handling, A/B testing, progressive rollouts, targeting and observability.
By the end, you’ll know how to deliver faster, safer and with confidence.
Alexandre Touret
Worldline
With over two decades of experience as a seasoned software architect, I am fueled by a passion for technology, cloud computing, and software development. Throughout my career, I have designed, built, and managed systems of varying scales across a diverse range of industries, including insurance, financial services, and mobility.
I take great pleasure in sharing my insights and experiences with others, whether by teaching, speaking at conferences, organizing hands-on workshops, or writing articles. By engaging with the community, I aim to inspire and provide practical insights drawn from my hands-on experience.
Blog: https://blog.touret.info
I take great pleasure in sharing my insights and experiences with others, whether by teaching, speaking at conferences, organizing hands-on workshops, or writing articles. By engaging with the community, I aim to inspire and provide practical insights drawn from my hands-on experience.
Blog: https://blog.touret.info
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29
Days
:
14
Hours
:
47
Minutes
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19
Seconds
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Venue address
ICE Krakow, ul. Marii Konopnickiej 17
Phone
+48 691 793 877
info@devoxx.pl