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# Project Info
First of all, thank you everyone who made pull requests for Uptime Kuma, I never thought GitHub Community can be that nice! And also because of this, I also never thought other people actually read my code and edit my code. It is not structed and commented so well, lol. Sorry about that.
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The project was created with vite.js (vue3). Then I created a sub-directory called "server" for server part. Both frontend and backend share the same package.json.
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The frontend code build into "dist" directory. The server (express.js) exposes the "dist" directory as root of the endpoint. This is how production is working.
# Key Technical Skills
- Node.js (You should know what are promise, async/await and arrow function etc.)
- Socket.io
- SCSS
- Vue.js
- Bootstrap
- SQLite
# Directories
- data (App data)
- dist (Frontend build)
- extra (Extra useful scripts)
- public (Frontend resources for dev only)
- server (Server source code)
- src (Frontend source code)
- test (unit test)
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# Can I create a pull request for Uptime Kuma?
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Generally, if the pull request is working fine and it do not affect any existing logic, workflow and perfomance, I will merge into the master branch once it is tested.
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If you are not sure, feel free to create an empty pull request draft first.
## Pull Request Examples
### ✅ High - Medium Priority
- Add a new notification
- Add a chart
- Fix a bug
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### *️⃣ Requires one more reviewer
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I do not have such knowledge to test it.
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- Add k8s supports
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### *️⃣ Low Priority
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It changed my current workflow and require further studies.
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- Change my release approach
### ❌ Won't Merge
- Duplicated pull request
- Buggy
- Existing logic is completely modified or deleted
- A function that is completely out of scope
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# Project Styles
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I personally do not like something need to learn so much and need to config so much before you can finally start the app.
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- Easy to install for non-Docker users, no native build dependency is needed (at least for x86_64), no extra config, no extra effort to get it run
- Single container for Docker users, no very complex docker-composer file. Just map the volume and expose the port, then good to go
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- Settings should be configurable in the frontend. Env var is not encouraged.
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- Easy to use
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# Coding Styles
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- 4 spaces indentation
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- Follow `.editorconfig`
- Follow ESLint
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## Name convention
- Javascript/Typescript: camelCaseType
- SQLite: underscore_type
- CSS/SCSS: dash-type
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# Tools
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- Node.js >= 14
- Git
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- IDE that supports ESLint and EditorConfig (I am using Intellji Idea)
- A SQLite tool (SQLite Expert Personal is suggested)
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# Install dependencies
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```bash
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npm ci
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```
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# How to start the Backend Dev Server
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(2021-09-23 Update)
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```bash
npm run start-server-dev
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```
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It binds to `0.0.0.0:3001` by default.
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## Backend Details
It is mainly a socket.io app + express.js.
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express.js is just used for serving the frontend built files (index.html, .js and .css etc.)
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- model/ (Object model, auto mapping to the database table name)
- modules/ (Modified 3rd-party modules)
- notification-providers/ (indivdual notification logic)
- routers/ (Express Routers)
- scoket-handler (Socket.io Handlers)
- server.js (Server main logic)
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# How to start the Frontend Dev Server
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1. Set the env var `NODE_ENV` to "development".
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2. Start the frontend dev server by the following command.
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```bash
npm run dev
```
It binds to `0.0.0.0:3000` by default.
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You can use Vue.js devtools Chrome extension for debugging.
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## Build the frontend
```bash
npm run build
```
## Frontend Details
Uptime Kuma Frontend is a single page application (SPA). Most paths are handled by Vue Router.
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The router is in `src/router.js`
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As you can see, most data in frontend is stored in root level, even though you changed the current router to any other pages.
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The data and socket logic are in `src/mixins/socket.js` .
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# Database Migration
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1. Create `patch-{name}.sql` in `./db/`
2. Add your patch filename in the `patchList` list in `./server/database.js`
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# Unit Test
Yes, no unit test for now. I know it is very important, but at the same time my spare time is very limited. I want to implement my ideas first. I will go back to this in some points.
