> Markdown version of [/videos/1278-getting-started-with-deno-in-production?t=1038](https://www.wearedevelopers.com/videos/1278-getting-started-with-deno-in-production?t=1038). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Getting Started with Deno in Production Built by the creator of Node.js, Deno fixes a decade of JavaScript fragmentation. Discover how this secure, all-in-one runtime streamlines production deployments while maintaining complete npm compatibility. - **Speakers:** [Jo Franchetti](https://www.wearedevelopers.com/@jo-franchetti) - **Event:** WeAreDevelopers LIVE - **Published:** December 16, 2024 - **Duration:** 30:53 - **URL:** https://www.wearedevelopers.com/videos/1278-getting-started-with-deno-in-production ## Summary Deno represents a major evolution in JavaScript execution, engineered in Rust by the original creator of Node.js to address a decade of accumulated learnings. Rather than forcing developers to stitch together fragmented ecosystems, Deno delivers a cohesive "all-in-one" experience. By consolidating essential development features—like testing, linting, formatting, and a native TypeScript compiler—into a single executable binary, it eliminates the tedious configuration overhead that traditionally slows down project initialization and CI/CD pipelines. This fundamental architecture shift allows development teams to jump straight into writing robust code without repeatedly wrestling with complex boilerplate.<br><br>The runtime radically reimagines dependency and security management. Instead of polluting project directories with bloated local module folders, Deno leverages a global dependency cache, which drastically speeds up multi-project workflows and keeps repositories clean. Furthermore, its opt-in security model requires developers to explicitly grant permissions for network, file system, or environment variable access. This secure-by-default execution operates as a critical guardrail against nefarious supply-chain vulnerabilities found in unvetted third-party packages, giving teams much-needed peace of mind. Developers additionally benefit from first-class support for standard Web APIs, ensuring browser-native concepts like Fetch and WebWorkers translate seamlessly to the server.<br><br>Crucially, transitioning to this modernized runtime does not necessitate abandoning the broader Node.js ecosystem. Deno offers robust, out-of-the-box backward compatibility, allowing teams to seamlessly deploy legacy Node.js applications, execute NPM packages, and utilize familiar package configuration files alongside native Deno configuration tasks. From spinning up an HTTP server in seconds using native API methods to successfully running an unmodified Express application, the platform proves that upgrading your codebase infrastructure can be entirely frictionless. **Keywords:** deno runtime deployment, native typescript compilation, built-in javascript tooling, global dependency cache, opt-in permission model, secure-by-default execution, node.js backward compatibility, supply-chain security controls, JSR standard library, web API integrations, zero-config development, NPM package execution, automated code formatting ## Chapters 1. **Introduction to Deno and installing the runtime natively** (00:00) — The Deno JavaScript runtime provides a modern alternative to traditional setups and can be quickly installed natively on any operating system. 1. **Initializing a project with built-in Deno development tools** (03:48) — Creating a new project via initialization commands automatically configures essential files alongside native language server protocol features for code editors. 1. **Testing and utilizing packages from the standard library** (07:30) — Running tests using the built-in runner eliminates third-party configuration while easily integrating curated packages from the native standard library. 1. **Managing dependency configuration and scripts without node modules** (11:09) — Defining execution tasks inside a dedicated configuration file modernizes dependency management by utilizing a centralized global cache instead of local module folders. 1. **Compiling TypeScript automatically with strict linting and formatting** (13:32) — Relying on built-in toolchains provides zero-configuration TypeScript compilation alongside native syntax checking and automatic code formatting tools. 1. **Exploring native core APIs and web standard support** (17:18) — Interacting with system files and running HTTP servers becomes streamlined using standardized native runtime commands and universal web APIs. 1. **Importing and accessing legacy Node modules natively** (21:44) — Importing traditional Node core packages natively ensures immediate backward compatibility when maintaining older application design patterns. 1. **Configuring execution capabilities through the explicit permissions model** (23:37) — Implementing an explicit permissions model requires deliberate access configuration to mitigate untrustworthy behavior from unverified external dependencies. 1. **Running existing Express and Node applications without modification** (25:39) — Executing complex pre-existing Express applications unmodified using native allowance commands eliminates tedious ecosystem migration efforts. ## Related Moments - [Native TypeScript support in modern runtimes](https://www.wearedevelopers.com/videos/1580-end-to-end-typescript-completing-the-modern-development-stack) (from "End-to-End TypeScript: Completing the Modern Development Stack") - [JavaScript runtime competition and built-in features](https://www.wearedevelopers.com/videos/1289-wad-live-22-01-2025-exploring-ai-web-development-and-accessibility-in-tech-with-stefan-judis) (from "WAD Live 22/01/2025: Exploring AI, Web Development, and Accessibility in Tech with Stefan Judis") - [Building a Deno server for Twilio integrations](https://www.wearedevelopers.com/videos/1729-wearedevelopers-live-real-time-phone-agents-unsafe-vpns-more) (from "WeAreDevelopers LIVE – Real-Time Phone Agents, Unsafe VPNs & More") - [Testnet deployment and the developer feedback roadmap](https://www.wearedevelopers.com/videos/1586-justice-for-all-diving-into-jstz-a-native-javascript-environment-for-web3-development) (from "Justice for All! Diving into JsTz, a Native JavaScript Environment for Web3 Development") - [Building a WebSocket server with Deno](https://www.wearedevelopers.com/videos/1736-minimal-infrastructure-for-real-time-phone-agents-transcripts-in-responses-out) (from "Minimal infrastructure for Real‑Time Phone Agents: transcripts in, responses out") - [The case for the web as a developmental platform](https://www.wearedevelopers.com/videos/293-native-web-apps-are-we-there-yet) (from "Native Web Apps: Are We There Yet?") ## Related Articles - [Dev Digest 136 - No JS(on) of mine](https://www.wearedevelopers.com/magazine/482-dev-digest-136-no-js-on-of-mine) - [Native Web Apps: Are We There Yet?](https://www.wearedevelopers.com/magazine/83-native-web-apps-are-we-there-yet) - [Exploring TypeScript: Benefits for Large-Scale JavaScript Projects](https://www.wearedevelopers.com/magazine/554-exploring-typescript-benefits-for-large-scale-javascript-projects) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) ## Related Jobs - [Senior Software Engineer](https://www.wearedevelopers.com/jobs/ext/15942-senior-software-engineer) at **GitHub** - [Senior Full Stack Engineer](https://www.wearedevelopers.com/jobs/48289-senior-full-stack-engineer) at **Sensory-Minds GmbH** - [Junior Frontend Engineer](https://www.wearedevelopers.com/jobs/ext/1532351-junior-frontend-engineer) at **Almedia** - [Senior Software Engineer, Client Apps Platform](https://www.wearedevelopers.com/jobs/ext/1773893-senior-software-engineer-client-apps-platform) at **GitHub** - [Senior Fullstack Engineer, Angular & Nestjs (Defi Wallet)](https://www.wearedevelopers.com/jobs/ext/1983681-senior-fullstack-engineer-angular-nestjs-defi-wallet) at **Bitpanda** - [Remote Senior Full-Stack Engineer](https://www.wearedevelopers.com/jobs/ext/643342-remote-senior-full-stack-engineer) at **Edge Impulse**