Achieving zero-downtime deployments is essential for enhancing the Developer Experience (DX). To implement this, various strategies can be adopted, such as blue-green deployments, canary releases, and using load balancers. These methods allow for seamless updates while maintaining service availability. Below, we illustrate a basic example of a blue-green deployment approach using PHP and a web server configuration.
<?php
// Example of a blue-green deployment strategy
function deploy($version) {
// Assume we have two versions of our application (blue and green)
$currentVersion = 'blue';
$newVersion = $currentVersion === 'blue' ? 'green' : 'blue';
// Deploy the new version
echo "Deploying the new version: " . $newVersion;
// Switch traffic to the new version
switchTraffic($newVersion);
}
function switchTraffic($newVersion) {
// Update the load balancer to point to the new version
echo "Switching traffic to " . $newVersion . " version.";
}
deploy('1.0');
?>
How do I avoid rehashing overhead with std::set in multithreaded code?
How do I find elements with custom comparators with std::set for embedded targets?
How do I erase elements while iterating with std::set for embedded targets?
How do I provide stable iteration order with std::unordered_map for large datasets?
How do I reserve capacity ahead of time with std::unordered_map for large datasets?
How do I erase elements while iterating with std::unordered_map in multithreaded code?
How do I provide stable iteration order with std::map for embedded targets?
How do I provide stable iteration order with std::map in multithreaded code?
How do I avoid rehashing overhead with std::map in performance-sensitive code?
How do I merge two containers efficiently with std::map for embedded targets?