Name: The Container Diet: Shrinking Container Images on IBM Power for Fun and Profit
Start: 2026-06-16T15:55:00+0200
End: 2026-06-16T16:55:00+0200

Welcome to Common Europe Congress 2026

The Container Diet: Shrinking Container Images on IBM Power for Fun and Profit

Tuesday June 16, 2026 15:55 - 16:55 CEST

09 - ST CLAIR 3B

Building a container image is easy, but making one that is production-ready is a craft. Too many modernization projects get stuck with bloated, gigabyte-sized images that waste storage and slow down deployments. Following the "Gentle Introduction to Containerization" at last year’s Common Europe Congress, this session focuses on the developer techniques needed to build lean, fast container images specifi cally for IBM Power.
The session starts with a quick look at container anatomy to explain how image layers work and how the Copy-on-Write (CoW) fi lesystem affects storage costs and runtime speed. Armed with this foundation, attendees will then participate in a live "makeover" of a bloated application to systematically strip away the excess.
Key topics will include:
- The ppc64le Wheel Trap: Why a lack of pre-compiled ppc64le binaries often bloats images with heavy build tools like gcc, and how to solve it.
- Multi-Stage Builds: How to compile natively in one stage and ship only the tiny binaries in a hyper-minimal UBI Micro base.
- Smart Caching: Structuring builds so heavy compilations run once and then cache, making subsequent builds near-instant.
- Multi-Arch Basics: A quick closing look at using manifests to support both x86_64 and ppc64le from a single pipeline.

Speakers

Alfonso Cancellara

Senior Technical Account Manager, OpenShift, Red Hat

Alfonso Cancellara is a Senior Technical Account Manager at Red Hat, specializing in Red Hat’s OpenShift Container Platform and cloud-native solutions.

In his role, he works closely with organizations to help them effectively utilize OpenShift, understanding their unique business needs, providing guidance on how OpenShift can address their challenges, and ensuring they achieve their desired outcomes. A key aspect of his work involves... Read More →

Tuesday June 16, 2026 15:55 - 16:55 CEST
09 - ST CLAIR 3B

AIX/Linux 2

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