Target branch: Please verify that the pull request targets the dev branch.
Description: Improve local development setup by changing CORS defaults.
Changelog: Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description.
Documentation: Have you updated relevant documentation Open WebUI Docs, or other documentation sources?
Dependencies: Are there any new dependencies? Have you updated the dependency versions in the documentation?
Testing: Have you written and run sufficient tests to validate the changes?
Code review: Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
Prefix: To clearly categorize this pull request, prefix the pull request title using one of the following:
BREAKING CHANGE: Significant changes that may affect compatibility
build: Changes that affect the build system or external dependencies
ci: Changes to our continuous integration processes or workflows
chore: Refactor, cleanup, or other non-functional code changes
docs: Documentation update or addition
feat: Introduces a new feature or enhancement to the codebase
fix: Bug fix or error correction
i18n: Internationalization or localization changes
perf: Performance improvement
refactor: Code restructuring for better maintainability, readability, or scalability
style: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.)
test: Adding missing tests or correcting existing tests
WIP: Work in progress, a temporary label for incomplete or ongoing work
Changelog Entry
Description
Improve local development setup by changing CORS_ALLOW_ORIGIN default.
Changed
Change CORS_ALLOW_ORIGIN default to *.
Exclude backend directory from Vite watcher to avoid unnecessary frontend rebuilds when working on the backend.
Link to local development guide in README (was difficult to find before).
Breaking Changes
BREAKING CHANGE: The previous default CORS_ALLOW_ORIGIN='*;http://localhost:5173;http://localhost:8080' will now fail on startup.
Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.
## 📋 Pull Request Information
**Original PR:** https://github.com/open-webui/open-webui/pull/14783
**Author:** [@mrexodia](https://github.com/mrexodia)
**Created:** 6/8/2025
**Status:** ✅ Merged
**Merged:** 6/8/2025
**Merged by:** [@tjbck](https://github.com/tjbck)
**Base:** `dev` ← **Head:** `local-dev-fixes`
---
### 📝 Commits (3)
- [`41220b3`](https://github.com/open-webui/open-webui/commit/41220b379f6e5c123936b97a4b02920c261700b7) Exclude the 'backend' folder from the Vite watcher.
- [`7010393`](https://github.com/open-webui/open-webui/commit/7010393a41fd71ac0fb358e0b968f3ce97fbe52b) Change default CORS_ALLOW_ORIGIN to '*'
- [`5e73fd5`](https://github.com/open-webui/open-webui/commit/5e73fd569d0598ae0cdd492138dd6a232dc4615c) Improve local development setup
### 📊 Changes
**5 files changed** (+23 additions, -13 deletions)
<details>
<summary>View changed files</summary>
📝 `.env.example` (+9 -0)
📝 `README.md` (+2 -0)
📝 `backend/dev.sh` (+1 -1)
📝 `backend/open_webui/config.py` (+7 -11)
📝 `vite.config.ts` (+4 -1)
</details>
### 📄 Description
# Pull Request Checklist
Discussion: https://github.com/open-webui/open-webui/discussions/14782
- [x] **Target branch:** Please verify that the pull request targets the `dev` branch.
- [x] **Description:** Improve local development setup by changing CORS defaults.
- [x] **Changelog:** Ensure a changelog entry following the format of [Keep a Changelog](https://keepachangelog.com/) is added at the bottom of the PR description.
- [x] **Documentation:** Have you updated relevant documentation [Open WebUI Docs](https://github.com/open-webui/docs), or other documentation sources?
- [x] **Dependencies:** Are there any new dependencies? Have you updated the dependency versions in the documentation?
- [x] **Testing:** Have you written and run sufficient tests to validate the changes?
- [x] **Code review:** Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
- [x] **Prefix:** To clearly categorize this pull request, prefix the pull request title using one of the following:
- **BREAKING CHANGE**: Significant changes that may affect compatibility
- **build**: Changes that affect the build system or external dependencies
- **ci**: Changes to our continuous integration processes or workflows
- **chore**: Refactor, cleanup, or other non-functional code changes
- **docs**: Documentation update or addition
- **feat**: Introduces a new feature or enhancement to the codebase
- **fix**: Bug fix or error correction
- **i18n**: Internationalization or localization changes
- **perf**: Performance improvement
- **refactor**: Code restructuring for better maintainability, readability, or scalability
- **style**: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.)
- **test**: Adding missing tests or correcting existing tests
- **WIP**: Work in progress, a temporary label for incomplete or ongoing work
# Changelog Entry
### Description
- Improve local development setup by changing CORS_ALLOW_ORIGIN default.
### Changed
- Change `CORS_ALLOW_ORIGIN` default to `*`.
- Exclude `backend` directory from Vite watcher to avoid unnecessary frontend rebuilds when working on the backend.
- Link to local development guide in README (was difficult to find before).
### Breaking Changes
- **BREAKING CHANGE**: The previous default `CORS_ALLOW_ORIGIN='*;http://localhost:5173;http://localhost:8080'` will now fail on startup.
---
### Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms.
---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
📋 Pull Request Information
Original PR: https://github.com/open-webui/open-webui/pull/14783
Author: @mrexodia
Created: 6/8/2025
Status: ✅ Merged
Merged: 6/8/2025
Merged by: @tjbck
Base:
dev← Head:local-dev-fixes📝 Commits (3)
41220b3Exclude the 'backend' folder from the Vite watcher.7010393Change default CORS_ALLOW_ORIGIN to '*'5e73fd5Improve local development setup📊 Changes
5 files changed (+23 additions, -13 deletions)
View changed files
📝
.env.example(+9 -0)📝
README.md(+2 -0)📝
backend/dev.sh(+1 -1)📝
backend/open_webui/config.py(+7 -11)📝
vite.config.ts(+4 -1)📄 Description
Pull Request Checklist
Discussion: https://github.com/open-webui/open-webui/discussions/14782
devbranch.Changelog Entry
Description
Changed
CORS_ALLOW_ORIGINdefault to*.backenddirectory from Vite watcher to avoid unnecessary frontend rebuilds when working on the backend.Breaking Changes
CORS_ALLOW_ORIGIN='*;http://localhost:5173;http://localhost:8080'will now fail on startup.Contributor License Agreement
By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.