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PGSync is a middleware for syncing data from Postgres to Elasticsearch/OpenSearch. It allows you to keep Postgres as your source of truth and expose structured denormalized documents in Elasticsearch/OpenSearch.

Simply describe your document structure or schema in JSON and PGSync will continuously capture changes in your data and load it into Elasticsearch/OpenSearch without writing any code. PGSync transforms your relational data into a structured document format.

It allows you to take advantage of the expressive power and scalability of Elasticsearch/OpenSearch directly from Postgres. You don’t have to write complex queries and transformation pipelines. PGSync is lightweight, fast and flexible.