<![CDATA[Production Ready - Medium]]> https://medium.com/production-ready?source=rss----c2b135aab76a---4 https://cdn-images-1.medium.com/proxy/1*TGH72Nnw24QL3iV9IOm4VA.png Production Ready - Medium https://medium.com/production-ready?source=rss----c2b135aab76a---4 Medium Thu, 05 Nov 2026 03:25:19 GMT <![CDATA[Build Your Own Airflow in Java: DAGs, Retries, and Distributed Execution]]>

Design and implement a production-ready distributed task scheduler with cron triggers, DAG dependencies, retry policies, and distributed…

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]]> https://medium.com/production-ready/build-your-own-airflow-in-java-dags-retries-and-distributed-execution-8c0116096aeb?source=rss----c2b135aab76a---4 https://medium.com/p/8c0116096aeb Wed, 04 Nov 2026 15:58:11 GMT 2026-11-04T15:58:11.343Z <![CDATA[Stop Guessing at WHERE vs HAVING: One Idea Makes GROUP BY Click]]>

Stop memorizing rules about WHERE vs HAVING. Build the mental model of how SQL groups, aggregates, and filters — then GROUPING SETS…

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]]> https://medium.com/production-ready/stop-guessing-at-where-vs-having-one-idea-makes-group-by-click-2a0f0a50e357?source=rss----c2b135aab76a---4 https://medium.com/p/2a0f0a50e357 Wed, 04 Nov 2026 15:45:35 GMT 2026-11-04T15:45:35.487Z <![CDATA[Design a Chat App for Millions of Users (Interview-Ready, With Code)]]>

Design a real-time chat system that handles millions of concurrent messages using WebSocket for real-time delivery, Kafka for fan-out, and…

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]]> https://medium.com/production-ready/design-a-chat-app-for-millions-of-users-interview-ready-with-code-e6767010df39?source=rss----c2b135aab76a---4 https://medium.com/p/e6767010df39 Wed, 04 Nov 2026 15:33:39 GMT 2026-11-04T15:33:39.512Z <![CDATA[Search for 2M Products at 15M Queries a Day: Elasticsearch + Spring Boot]]>

A complete implementation guide covering index design, custom analyzers, multi-language support, autocomplete, faceted search, relevance…

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]]> https://medium.com/production-ready/search-for-2m-products-at-15m-queries-a-day-elasticsearch-spring-boot-29556fa03766?source=rss----c2b135aab76a---4 https://medium.com/p/29556fa03766 Wed, 04 Nov 2026 15:24:45 GMT 2026-11-04T15:24:45.374Z <![CDATA[Design a Notification Service That Scales (and Nails the Interview)]]>

Design a multi-channel notification service with Spring Boot and Kafka. Covers email (JavaMail + Thymeleaf templates), SMS, push…

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]]> https://medium.com/production-ready/design-a-notification-service-that-scales-and-nails-the-interview-a7508c1c8ff5?source=rss----c2b135aab76a---4 https://medium.com/p/a7508c1c8ff5 Sun, 01 Nov 2026 04:08:16 GMT 2026-11-01T04:08:16.487Z <![CDATA[500M Rows and 2-Second Queries: Sharding Spring Boot the Right Way]]>

A practical guide to implementing database sharding in Spring Boot — covering when to shard, which strategy to pick, building a shard…

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]]> https://medium.com/production-ready/500m-rows-and-2-second-queries-sharding-spring-boot-the-right-way-bc6e25e85650?source=rss----c2b135aab76a---4 https://medium.com/p/bc6e25e85650 Sun, 01 Nov 2026 03:45:23 GMT 2026-11-01T03:45:23.166Z <![CDATA[Launch a Free Developer Blog with SEO, Analytics, and Comments in One Afternoon]]>

Complete guide to setting up a developer blog using Jekyll Chirpy theme on GitHub Pages. Covers SEO optimization, Google Analytics…

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]]> https://medium.com/production-ready/launch-a-free-developer-blog-with-seo-analytics-and-comments-in-one-afternoon-97f841645fa8?source=rss----c2b135aab76a---4 https://medium.com/p/97f841645fa8 Sat, 31 Oct 2026 15:51:20 GMT 2026-10-31T15:51:20.119Z <![CDATA[Why Your Spring Boot App Is Slow (And How I Fixed 12 Common Causes)]]>

A field guide to diagnosing and fixing real production performance issues in Spring Boot — based on 17 years of firefighting Java…

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]]> https://medium.com/production-ready/why-your-spring-boot-app-is-slow-and-how-i-fixed-12-common-causes-30aa979c4ab3?source=rss----c2b135aab76a---4 https://medium.com/p/30aa979c4ab3 Sat, 31 Oct 2026 14:24:07 GMT 2026-10-31T14:24:07.596Z <![CDATA[Service Mesh vs Helm in OpenShift: They’re Not Competitors (Stop Confusing Them)]]>

Understand the difference between Service Mesh and Helm chart deployments in OpenShift.

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]]> https://medium.com/production-ready/service-mesh-vs-helm-in-openshift-theyre-not-competitors-stop-confusing-them-76948463b682?source=rss----c2b135aab76a---4 https://medium.com/p/76948463b682 Sat, 31 Oct 2026 13:58:04 GMT 2026-10-31T13:58:04.356Z <![CDATA[When One Database Isn’t Enough: 3 Sharding Strategies That Scale]]>

When one database can’t hold your data or handle your traffic, you split it up. Learn the three core sharding strategies, how routing and…

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]]> https://medium.com/production-ready/when-one-database-isnt-enough-3-sharding-strategies-that-scale-9957698d8004?source=rss----c2b135aab76a---4 https://medium.com/p/9957698d8004 Sat, 31 Oct 2026 13:18:23 GMT 2026-10-31T13:18:22.981Z