In the realm of software development, deployment is the process of making a software application available for use. It's the final stage in the development lifecycle, where the code that developers have been working on is transferred from a development environment to a production environment, accessible to end-users. Key Concepts and Strategists * Deployment Environments: * Development: Where developers write and test code. * Staging: A replica of the production environment for testing before deployment. * Production: The live environment where the application is accessible to users. * Deployment Strategies: * Big Bang Deployment: All changes are deployed at once. * Rolling Deployment: Changes are deployed to a subset of servers, gradually rolling out to the entire infrastructure. * Blue-Green Deployment: Two identical environments (blue and green) are maintained. Traffic is switched b...