DBOS TypeScript – Lightweight Durable Execution Built on Postgres

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Hi HN - Peter from DBOS here with my co-founder Qian (qianl_cs) Today we want to share our TypeScript library for lightweight durable execution. We’ve been working on it since last year and recently released v2.0 with a ton of new features and major API overhaul. https://github.com/dbos-inc/dbos-transact-ts Durable execution means persisting the execution state of your program while it runs, so if it is ever interrupted or crashes, it automatically resumes from where it left off. Durable execution is useful for a lot of things: - Orchestrating long-running or business-critical workflows so they seamlessly recover from any failure. - Running reliable background jobs with no timeouts. - Processing incoming events (e.g. from Kafka) exactly once - Running a fault-tolerant distributed task queue - Running a reliable cron scheduler - Operating an AI agent, or anything that connects to an unreliable or non-deterministic API. What’s unique about DBOS’s take on durable execution (compared to, say, Temporal) is that it’s implemented in a lightweight library that’s totally backed by Postgres. All you have to do to use DBOS is “npm install” it and annotate your program with decorators. The decorators store your program’s execution state in Postgres as it runs and recover it if it crashes. There are no other dependencies you have to manage, no separate workflow server–just your program and Postgres. One big advantage of this approach is that you can add DBOS to ANY TypeScript application–it’s just a library. For example, you can use DBOS to add reliable background jobs or cron scheduling or queues to your Next.js app with no external dependencies except Postgres. Also, because it’s all in Postgres, you get all the tooling you’re familiar with: backups, GUIs, CLI tools–it all just works. Want to try DBOS out? Initialize a starter app with: npx @dbos-inc/create -t dbos-node-starter Then build and start your app with: npm install npm run build npm run start Also check out the docs: https://docs.dbos.dev/ We'd love to hear what you think! We’ll be in the comments for the rest of the day to answer any questions you may have.

Visit product View on Hacker NewsJan 16, 2025

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