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Now go unbuild!

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November 15, 2025

Now go unbuild!

Werner Vogels is famous for telling us to 'go build!. And he's absolutely right.
AWS offers services designed to be used efficiently, along with plenty of guidance and best practices to get the most out of them.

In this keynote we'll flip the script, or at least take a different angle. We're going to unbuild.

[This talk was the opening keynote at the AWS Community Day Spain 2025: https://awscommunity.es/talks/keynote-opening]

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OnGres

November 15, 2025
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  1. Now go Unbuild ! @ahachete ` whoami ` Alvaro Hernandez

    <[email protected]> aht.es • Founder & CEO, OnGres • 20+ years Postgres user and DBA • Mostly doing R&D to create new, innovative software on Postgres • More than 150 tech talks • AWS Data Hero • Founder and President of the NPO Fundación PostgreSQL
  2. Now go Unbuild ! Now go Unbuild ! Learn from

    what you are NOT being taught Innovate and see where others don’t see
  3. Now go Unbuild ! @ahachete Running Postgres in CloudShell curl

    -s https://ongres.com/install_postgres_aws_cloudshell.bash | bash source .bashrc psql • CloudShell “dies” without control: Postgres recovers • Cross-region replication: left as an exercise • Interesting, psql is installed in CloudShell already!
  4. Now go Unbuild ! @ahachete S3 is not object storage,

    it’s a new primitive • Where did S3 Vectors and S3 Metadata came from?
  5. Now go Unbuild ! @ahachete S3 is not object storage,

    it’s a new primitive • Where did S3 Vectors and S3 Metadata came from? • Look what others are building: ◦ Warpstream: Kafka on S3 ◦ Turbopuffer: like S3 Vectors ◦ SlateDB: embedded K-V database on S3
  6. Now go Unbuild ! The future: S3 Express Enables totally

    new paradigms for data-intensive applications
  7. Now go Unbuild ! @ahachete What’s AgentCore Runtime? • Create

    your custom container image • Adhere to the contract requirements: • AWS activates and passivates the environment for you