PureLandFlying/docker 502 error.md

## docker 502 error.md

      
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              docker 502 error.md
            
          
    find the below error message in nginx error log:
upstream sent too big header while reading response header from upstream
add the three rows to http and server section
fastcgi_buffer_size 256k;
fastcgi_buffers 32 256k;
fastcgi_busy_buffers_size 256k;

add the three rows to php proxy:
fastcgi_buffer_size 256k;
fastcgi_buffers 4 256k;
fastcgi_busy_buffers_size 256k;