# twins
[](https://liberapay.com/rocketnine.space)
[Gemini ](https://gemini.circumlunar.space ) server
**Warning:** The twins configuration format is still under development.
Breaking changes may be made.
This page is also available at [gemini://twins.rocketnine.space ](gemini://twins.rocketnine.space )
## Features
- Serve static files
- Detect content type
- Specify content type for files with matching extension
- List files and directories (when enabled)
- Reverse proxy requests
- TCP
- [FastCGI ](https://en.wikipedia.org/wiki/FastCGI )
- Serve Gemini content via HTTPS
- Pages are converted automatically by [gmitohtml ](https://code.rocketnine.space/tslocum/gmitohtml )
- Reload configuration on `SIGHUP`
## Proposals
twins includes features that are not yet part of the Gemini specification. See [PROPOSALS.md ](https://code.rocketnine.space/tslocum/twins/src/branch/master/PROPOSALS.md )
## Download
twins is written in [Go ](https://golang.org ). Run the following command to
download and build twins from source.
```bash
go get code.rocketnine.space/tslocum/twins
```
The resulting binary is available as `~/go/bin/twins` .
## Configure
See [CONFIGURATION.md ](https://code.rocketnine.space/tslocum/twins/src/branch/master/CONFIGURATION.md )
## Support
Please share issues and suggestions [here ](https://code.rocketnine.space/tslocum/twins/issues ).
## Dependencies
- [filetype ](https://github.com/h2non/filetype ) - MIME type detection
- [gofast ](https://github.com/yookoala/gofast ) - FastCGI client
- [go-shellquote ](https://github.com/kballard/go-shellquote ) - Shell string quoting
- [yaml ](https://github.com/go-yaml/yaml/tree/v3 ) - Configuration parsing