Hello everybody,
I have the following working scheme:
Client --> Nginx [caching] --> Apache [backend]
Sometime the backend returns headers, which I want to modify before
nginx caching engine decides how to treat them. One such example is when
backend returns Vary: header.
I want to achieve the following:
[Apache backend returns Vary: User-Agent, Header2] --> [Nginx Modifies
"Vary:" and removes User-Agent] --> [Nginx caching sees only 'Vary:
Header2' (without User-Agent)] --> The final result is that Nginx cache
wont take 'User-Agent' into vary considerations. (no cache object per UA).
That's just an example. I would like to do such modification with other
headers also (for example Cache-Control).
Currently I'm already using Nginx Lua integration, but there is no hook
point before the caching engine.
Would be happy for any suggestions about achieving this scenario.
Regards
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