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# Mongo Playground

Mongo playground: a simple sandbox to test and share MongoDB queries. Try it online : [**https://mongoplayground.net**](https://mongoplayground.net/)


## Shared playgrounds

Shared playgrounds are saved forever. Do not share playground containing sensitive data, as
they can get accessed by anyone who get the playground link!


## Limitations

  ### Size limitations

  This playground has several limitations: 

  - a database can't contain more than **10 collections**
  - a collection can't contain more than **100 documents**

  ### Queries

  Currently, the playground can run only `find()`, `aggregate()` and `update()` queries 

  ### shell regex

  Currently, shell regex doesn't work in query. 

  so instead of 

  ```JSON5
  db.collection.find({
    "k": /pattern/
  })
  ```

  use 

  ```JSON5 
  db.collection.find({
    "k": {
      "$regex": "pattern"
    }
  })
  ```


## Developpement

To automatically restart the server when a file changes, use: 

```sh
ls  *.go internal/*.go internal/web/src/* | entr tools/restart.sh
```

## Credits 

This playground is heavily inspired from [The Go Playground](https://play.golang.org)

Editors are created with [ace](https://ace.c9.io/), and the documentation is styled using [github-markdown-css](https://github.com/sindresorhus/github-markdown-css)

Favicon was created on [favicon.io](https://favicon.io/) from an emoji provided by [twemoji](https://github.com/twitter/twemoji)

Queries are executed in an atlas cluster graciously provided by MongoDB