traefik/docs/content/middlewares/compress.md
Julien Salleyron 4a68d29ce2 Add a new protocol
Co-authored-by: Gérald Croës <gerald@containo.us>
2019-03-14 09:30:04 +01:00

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# Compress
Compressing the Response before Sending it to the Client
{: .subtitle }
![Compress](../assets/img/middleware/compress.png)
The Compress middleware enables the gzip compression.
## Configuration Examples
??? example "File -- enable gzip compression"
```toml
[http.middlewares]
[http.middlewares.test-compress.Compress]
```
??? example "Docker -- enable gzip compression"
```yml
a-container:
image: a-container-image
labels:
- "traefik.http.middlewares.test-compress.compress=true",
```
## Notes
Responses are compressed when:
* The response body is larger than `512` bytes.
* The `Accept-Encoding` request header contains `gzip`.
* The response is not already compressed, i.e. the `Content-Encoding` response header is not already set.