Local-first apps with ElectricSQL with James Arthur
Dec 20, 2023
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James Arthur, Co-Founder and CEO of ElectricSQL, discusses local-first development and how ElectricSQL enables building local-first apps on Postgres. Topics include benefits of local-first development, challenges of multi-user concurrency, type-safe data access client, real-time sync with a database schema, applications of ElectricSQL, and next milestones and challenges.
Local-first development prioritizes removing the network, resulting in instant reactivity, offline capabilities, and active conflict-free data sync.
Electric SQL enables real-time bidirectional data sync between Postgres and local embedded databases, improving user experience and supporting various use cases.
Deep dives
Local-first development improves user experience and data ownership
Local-first development is a pattern for building applications that prioritizes removing the network from the interaction path. By having the application code directly interact with a local embedded database, developers can achieve instant reactivity, zero latency, and offline capabilities. This pattern allows for active conflict-free data sync, enabling multi-user collaboration. The local-first approach not only improves the user experience and reliability of applications but also addresses ethical issues related to data ownership and privacy in cloud-based systems.
Electric SQL simplifies local-first development with React and Postgres
Electric SQL is a platform that facilitates local-first development by providing a sync service on top of Postgres, enabling real-time bidirectional data sync between a Postgres backend and local embedded databases. Developers can easily integrate Electric SQL into their stack by replacing their existing REST or GraphQL APIs with Electric SQL's sync service. With Electric SQL, developers can create applications that have instant reactivity, multi-user collaboration, offline capabilities, and seamless data sync between devices. Electric SQL also supports evolving the database schema through Postgres migrations, making it a flexible and efficient tool for local-first development.
Key players in the distributed data store landscape
The landscape of distributed data store systems is rapidly evolving. Traditional state transfer protocols like REST and GraphQL provide some level of state transfer and live data updates but have limitations. Real-time data sync systems like Firebase, Superbase, and Liveblocks offer more dynamic and interactive data syncing between clients and servers. In the local-first development space, projects like Vulcan and Evolu focus on relational sync and conflict-free data types, while systems like Replica Cache prioritize real-time server authoritative sync. Established distributed database systems like CockroachDB and Google Spanner use replication consensus to ensure strong consistency. The emergence of AP local-first systems is providing stronger programming models for easier development of local-first applications.
Electric SQL's approach to simplifying local-first development
Electric SQL initially planned to build a new type of database but shifted their focus to leverage existing open-source tools for easier adoption and faster development. By integrating their replication technology with Postgres, Electric SQL simplified the operational complexity and made it a more familiar choice for developers. With Electric SQL, developers can take advantage of local-first development and sync their data with Postgres in real-time, resulting in a seamless user experience and improved performance. The platform supports a variety of use cases, including interactive dashboards, collaborative software, logistics and retail software, and point-of-sale systems. Electric SQL also plans to enhance support for data types, including JSON, to enable more advanced collaborative editing and integration with other tools and libraries.
With the rise of the popularity of local-first, James Arthur, Co-Founder and CEO of ElectricSQL, gives a deep dive on local-first development and how ElectricSQL enables developers to build local-first apps on Postgres.
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Special Guest: James Arthur.
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