I have setup nginx (1.9.5) as a proxy for few tomcat servers through proxy_pass directive. The proxy_pass points to a domain name (aws route53). The proxying works okay, but domain name is resolved only during nginx startup/reload. I have setup the resolver to force resolving domain name every few seconds, but it does not work. Here is my config. Any thoughts on why this does not work?
server { listen 443; server_name localhost; ssl on; resolver 10.0.0.2 valid=10s; ssl_certificate /etc/nginx/certs/ssl-bundle3.crt; ssl_certificate_key /etc/nginx/certs/chewie.key; ssl_dhparam /etc/nginx/certs/dhparam.pem; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_session_cache shared:SSL:20m; ssl_session_timeout 180m; ssl_prefer_server_ciphers on; ssl_ciphers "EECDH+ECDSA+AESGCM EECDH+aRSA+AESGCM EECDH+ECDSA+SHA384 EECDH+ECDSA+SHA256 EECDH+aRSA+SHA384 EECDH+aRSA+SHA256 EECDH+aRSA+RC4 EECDH EDH+aRSA RC4 !aNULL !eNULL !LOW !3DES !MD5 !EXP !PSK !SRP !DSS !RC4"; location / { resolver_timeout 30s; resolver 10.0.0.2 valid=10s; set $target "http://abctest.hello.world:80"; proxy_pass $target; proxy_cache_bypass true; proxy_no_cache true; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_ssl_session_reuse on; error_log /var/log/nginx/error.log debug; } }
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