The latest articles on DEV Community by Mikolaj Paczkowski (@mikowhy). https://dev.to/mikowhy https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F455168%2Fb80aff09-b1d2-42ea-8284-d7f68a09ddf0.jpeg https://dev.to/mikowhy en Mikolaj Paczkowski Fri, 24 Sep 2021 09:18:49 +0000 https://dev.to/mikowhy/acid-database-transaction-10je https://dev.to/mikowhy/acid-database-transaction-10je <h1> ACID database transaction: </h1> <ul> <li>Atomic</li> <li>Consistent</li> <li>Isolated</li> <li>Durable</li> </ul> database acid transactions Mikolaj Paczkowski Wed, 22 Sep 2021 08:33:48 +0000 https://dev.to/mikowhy/what-staging-is-33d5 https://dev.to/mikowhy/what-staging-is-33d5 <h1> Staging environment </h1> <p>... is (as similar as possible) <strong>replica of production</strong> environment.</p> <h2> It requires a copy of: </h2> <ul> <li>hardware configuration</li> <li>databases</li> <li>caches etc</li> </ul> <h2> Why? </h2> <p>This is a safe place for tests.</p> <p><a href="https://res.cloudinary.com/practicaldev/image/fetch/s--zB3rUYWB--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/uploads/articles/khba217na6vm00fsv9gg.png" class="article-body-image-wrapper"><img src="https://res.cloudinary.com/practicaldev/image/fetch/s--zB3rUYWB--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/uploads/articles/khba217na6vm00fsv9gg.png" alt="Staging diagram"></a></p> devops staging production testing