Introducing Build System 2.0

E2B Build System 2.0 introduces a streamlined process for creating custom sandboxes by eliminating the need for Dockerfiles, extra configuration files, and manual CLI build commands, allowing developers to simply write code. This new system addresses previous challenges such as slow builds, complex configurations, and difficult debugging by offering features like intelligent caching, parallel uploads, and server-side optimizations, resulting in builds that are up to 14 times faster when cached. The build system now expresses templates as code, facilitating integration with AI IDEs and agents for seamless parsing and generation without extra configuration, while maintaining backwards compatibility with multiple migration paths for existing templates. Additionally, the API includes helper methods for common tasks, enhancing the developer experience and enabling dynamic builds inside applications, with a focus on providing clear error messages and stable performance through E2B infrastructure.

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