add support for gzip response (issue #409)

[tyiss]

Adds the gzip directive to nginx.conf.
this will enable the gzip module, http://nginx.org/en/docs/http/ngx_http_gzip_module.html.

[sonicaghi]

can you pls write a detailed description on what this PR does and how? Also if you can have a round of test passing.

thx!

[tyiss]

Sure,

the tests were failing on my end.
I'll fix them later today (hopfully) and add the descripsion in #489.
בתאריך 18 באוג׳ 2015 13:11,‏ "Augusto Marietti" notifications@github.com
כתב:

can you pls write a detailed description on what this PR does and how?
Also if you can have a round of test passing.

thx!

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#481 (comment).

[montanaflynn]

This PR will only gzip text/html which is not likely to be used in most APIs. There are many options available for the built in nginx gzip directive that should be reasoned about rather than just simply turning it "on" or "off" at the highest context level.

I would also think this should be optional as either a plugin or through kong.yml up at the top (much like the shared dict size) since for many use cases gzipping all HTTP responses is not suitable.

[ahmadnassri]

as @montanaflynn pointed out, this is better done as a plugin, rather than blanketed across all proxied requests.