MD

    Make Database Changes Zerodowntime

    by Mariusz Wrzeszczynski

    1

    Safely prepare database schema changes for live apps without breaking existing code.

    $8.99

    30-day refund guarantee

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    Works with the AI tools you already use

    CClaude CodeCCursorCCodex CLIGGitHub CopilotGGemini CLIVVS CodeWWindsurfMManus+14 more

    See it in action

    You say

    I need to rename the user_email column to email in my Postgres database without any downtime during the deployment.

    Your agent does

    I have analyzed your schema. To avoid downtime, I created a three-stage plan: 1. Add new 'email' column (nullable). 2. Update models for dual-writing to both fields. 3. Added a resumable backfill script. See the generated migration files in /migrations.

    What you get

    Rename or remove columns using expand-contract workflowsAdd non-null constraints with safe backfills for existing dataIdentify deployment-breaking risks in proposed SQL migrationsMaintain compatibility between old and new application versions

    About this skill

    Safely prepare database schema changes for live apps without breaking existing code.

    This skill detects risky migrations, replaces destructive changes with expand-contract steps, creates resumable backfills, preserves compatibility, and checks rollout order.

    ✔ Detect deployment-breaking migrations ✔ Plan safe schema changes ✔ Create resumable backfills ✔ Preserve old and new app compatibility ✔ Validate rollback and rollout order

    Ideal for SaaS apps, APIs, and frequently deployed systems.

    How to install

    Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.

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    Creator

    Mariusz Wrzeszczynski
    Mariusz Wrzeszczynski

    109 skills on Agensi

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