We at Sale Stock (fashion e-commerce in Indonesia) built an in-house system similar to this but more automatic and works with CockroachDB. Not open source yet,

We at Sale Stock (fashion e-commerce in Indonesia) built an in-house system similar to this but more automatic and works with CockroachDB. Not open source yet, but might be interesting to you guys: https://speakerdeck.com/salestock/laskar-high-velocity-graphql-and-lambda-based-software-development-model https://speakerdeck.com/salestock/laskar-high-velocity-graph... (skip to around mid-way, first half is intro to GraphQL)