# Full-stack Preview Environments for speed and confidence

DevFeed: [Full-stack Preview Environments for speed and confidence](<https://devfeed.tech/articles/full-stack-preview-environments-for-speed-and-confidence-17829.md>)

Original publisher: [Read original article](<https://encore.dev/blog/preview-envs>)

Author: André Eriksson

Published: 2022-12-22T00:00:00Z

Content type: article

Language: en

Sources: [Encore Updates](<https://devfeed.tech/sources/encore-updates.md>)

Topics: [Pull Request](<https://devfeed.tech/topics/pull-request.md>), [Back end](<https://devfeed.tech/topics/backend.md>), [cloud-infrastructure](<https://devfeed.tech/topics/cloud-infrastructure.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [code productivity](<https://devfeed.tech/topics/code-productivity.md>), [Terraform](<https://devfeed.tech/topics/terraform.md>)

Tags: [backend](<https://devfeed.tech/tags/backend.md>), [cloud-infrastructure](<https://devfeed.tech/tags/cloud-infrastructure.md>), [productivity](<https://devfeed.tech/tags/productivity.md>), [pull-request](<https://devfeed.tech/tags/pull-request.md>), [testing](<https://devfeed.tech/tags/testing.md>), [vercel](<https://devfeed.tech/tags/vercel.md>)

## AI overview

The article argues that preview environments for each pull request can provide more realistic end-to-end testing across frontend, backend, integrations, and cloud infrastructure. It presents Encore's automatic backend preview environments and its Infrastructure from Code approach.

## Source excerpt

Simple, real-world testing of end-to-end changes with full-stack environments for each PR