Optimizing Ruby on Rails Apps with YJIT, jemalloc, and bootsnap in Docker

2023/08/08

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The article discusses an optimized Dockerfile for building Ruby on Rails apps with YJIT, jemalloc, and bootsnap enabled. It provides a breakdown of the Dockerfile's different stages, including the base stage for installing dependencies, the setup stage for installing gems and JS libraries, and the runtime stage for configuring the container to run the application. The article highlights the use of YJIT and jemalloc for improved performance and provides instructions for verifying their presence. It also mentions the inclusion of libvips for ActiveStorage, as well as postgresql-client and redis-tools for interacting with PostgreSQL and Redis. This optimized Dockerfile aims to ensure efficient running of Ruby on Rails applications at scale. Developers looking to optimize their Ruby on Rails apps in Docker will find this article helpful.