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Deep, recent reads ranked by depth and freshness.

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  1. 01Heroku · architecture

    Front-End Web Deep Dive: Runtime Config

    Front-end web applications traditionally bake environment variables into build artifacts, requiring a full rebuild to change configurations across environments. To solve this, a new approach injects runtime environment variables directly into the HTML document's head element as data attributes via a Cloud Native Buildpack. This enables zero-rebuild configuration changes while remaining compatible with browser security standards like CSP.

    DEPTH ■■■■■3 min read10 days ago

    Frontend

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  2. 02PlanetScale · scaling

    Handling hot shards

    Growing applications often encounter hot shards when certain tenants or data subsets outgrow initial sharding strategies based on workspace IDs. To mitigate this, teams can scale up resources, isolate large tenants into specific key ranges, or fundamentally change the shard key for problematic tables based on access patterns. Neki facilitates these adjustments by allowing declarative data topologies and online resharding without downtime.

    DEPTH ■■■■■7 min read3 weeks ago

    MySQLPostgreSQL

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