What is railway.app?

The user wants me to explain what Railway.app does based on the provided page text. I need to follow the specific format: one clear sentence identifying what it is and who it's for, then 1-2 sentences on what you do with it, mention if it's a particular page type, 40-70 words total, no markdown, no bullet points, no quotes, no headings, no em dashes, plain punctuation only, confident and neutral tone. From the text: Railway is described as "a full-stack cloud for deploying web apps, servers, databases, and more with automatic scaling, monitoring, and security." It's an "all-in-one intelligent cloud provider." It handles deployment, networking, scaling, monitoring, collaboration. It's a platform for developers to deploy applications without managing infrastructure. The page shown is the main marketing homepage. I need to write a concise explanation. Let's draft: "Railway is a cloud platform for developers to deploy and run web applications, databases, and services without managing infrastructure. It automatically handles configuration, networking, scaling, monitoring, and preview environments so teams can ship software faster. The page shown is its main marketing homepage." Count words: "Railway is a cloud platform for developers to deploy and run