Distributed Locks with Postgres (Advisory Locks) and Knex.js

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📝 Context: Node.js For many productive use cases, on top of scaling, you might want to have multiple running instances of your service at the same time. Suddenly you find yourself in a distributed environment and this require different handling in some situations. For example: What if we want to prevent users from making more than one simultaneous request to a shared resource? Essentially all our…

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