turborepo

Monorepo build optimization is achieved by orchestrating task execution across apps and packages with incremental caching, intelligent invalidation, and parallel processing to accelerate CI pipelines.

Per-package task configuration in a monorepo is defined by specifying task definitions in individual package.json files and managing global options, dependencies, and cache rules in a root turbo.json file.

Build caching for cross-package pipelines works by applying incremental caching using inputs, outputs, and environment-driven hashes to ensure reproducible builds and enable intelligent cache invalidation across the monorepo.

Running tasks for affected packages in a CI workflow is supported through filtering and the --affected flag, allowing precise, scalable workflows that execute only necessary tasks across apps and packages.

Remote caching for reproducible builds requires enforcing cache rules including defined outputs, inputs, and environment variables to ensure scalable and consistent task execution across the monorepo environment.

Monorepo tasks may execute sequentially instead of in parallel if per-package task isolation and dependency management are not properly configured in the root configuration file to enable parallel task execution.