Declarative Infrastructure: Rethinking Cloud Native for JS

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In this talk we uncover what Declarative Infrastructure means, and how it can work in TypeScript to naturally express higher-level distributed systems concepts (such as backend services, API calls, database queries, Pub/Sub messaging, caching and more), through the power of static analysis and code generation.

The outcome is a fully reimagined DevOps process, with automatic infrastructure provisioning and built-in observability, that deploys straight to your own cloud.


Table of contents:

- Introduction

- Evolution of backend development, from servers to today's cloud-native world powered by DevOps and GitOps

- What is Cloud Native, and how do we build modern backend applications? (Showing a microservices architecture powered by Express.js and Terraform)

- What is Declarative Infrastructure? What does the space look like?

- What problems does it solve compared to traditional DevOps practices?

- How does it relate to Terraform/AWS CDK for infrastructure provisioning?

- What are the downsides?

- Building a Cloud Native backend with Declarative Infrastructure

This workshop has been presented at DevOps.js Conf 2024, check out the latest edition of this JavaScript Conference.

FAQ

Andre Ericsson is the founder and CEO of Encore. Prior to founding Encore, he was a staff engineer at Spotify, where he built backends, distributed systems, and cloud infrastructure.

Encore's mission is to simplify and improve the DevOps process, particularly for startups, by automating the provisioning and management of cloud infrastructure, aiming to enhance productivity and reduce complexity.

According to Andre Ericsson, the main components of modern DevOps include Terraform for declaratively provisioning infrastructure and Kubernetes, which together form the backbone of most organizational DevOps frameworks.

Encore improves the testing environment setup by automating the provision of cloud infrastructure for testing environments, which can be scaled down and optimized for cost and speed, unlike traditional methods that replicate the production environment.

In the context of Encore, declarative infrastructure means defining the required cloud resources directly within the codebase, enabling Encore to automatically understand and provision the necessary infrastructure for each service.

Encore integrates with tools like Swagger or OpenAPI for documentation, and observability and debugging tools such as Datadog, Grafana, and Sentry.

For local development, Encore offers an automated setup for local environments through the Encore CLI and provides a local development dashboard that showcases service catalogs, API documentation, and observability traces.

Encore's cloud platform automatically provisions all necessary cloud infrastructure for different environments, such as testing and production, including dedicated temporary environments for pull requests to facilitate end-to-end testing.

Encore includes a built-in CI/CD system optimized for fast integration testing, which automatically compiles applications, runs tests, and provisions the necessary infrastructure directly to the user's cloud account.

André Eriksson
André Eriksson
29 min
19 Feb, 2024

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Video Summary and Transcription
Today's workshop focused on DevOps and infrastructure, highlighting the importance of declarative infrastructure and quality in software. Encore, an open source SDK, was introduced as a solution to automate DevOps and improve workflow. It offers a seamless local development experience, automatic provisioning of cloud infrastructure, and integration with observability providers. Encore enables building and deploying applications with built-in DevOps automation, features like PubSub and authentication support, and a Cloud Dashboard for monitoring and management. It also allows for fast building of additional services, such as an analytics backend, and provides a complete system solution without the need for manual infrastructure setup.
Video transcription and chapters available for users with access.

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