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Devoxx: Modernizing the Legacy by Aggelos Bellos

Modernizing a Monolith with Style

Aggelos Bellos takes us through TalentLMS’s epic quest to breathe new life into a decade-old monolith—no innovation roadblocks, no code-Jenga nightmares. By smashing DevOps silos, reshaping teams with Domain-Driven Design and Team Topologies, and rolling out living docs, event-driven architecture, and zero-downtime migrations, they managed to evolve their critical app without turning it into a tangled mess of micro-legacies.

You’ll pick up hands-on tips for playing to your monolith’s strengths, sidestepping the pitfalls of premature fragmentation, and building a rock-solid modulith architecture that scales. Expect real-world war stories, hard-earned lessons, and a few well-timed laughs from the modernization front lines.

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