Understanding composer.lock
Learn why composer.lock ensures reproducible builds across environments.
Purpose of composer.lock
composer.lock records the exact version of every installed package, guaranteeing every developer and every server installs the same code.
What It Contains
For each package: name, resolved version, source URL, dist hash (checksum), and require constraints.
All lessons in this course
- Installing and Initializing Composer
- Requiring and Updating Packages
- Understanding composer.lock
- Composer Scripts and Autoloading