需求：用户连接时，默认显示反向代理的内容，如果后端服务器无法连接，则显示预先渲染好的本地文件。
实现：
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server { # ... # # define a named location block for static files location @local_static_files { root /var/www/html; index index.html; try_files $uri $uri/index.html =404; break; } location / { # try proxy first proxy_pass http://backend-server:8080/; # set a relative smaller timeout to minimize user wait time client_max_body_size 16m; client_body_buffer_size 128k; proxy_connect_timeout 2s; proxy_send_timeout 1s; proxy_read_timeout 1s; proxy_buffers 32 4k; # see https://github.com/Jamesits/oh-my-nginx/blob/master/conf.d/templates/transparent-proxy.conf include conf.d/templates/transparent-proxy.conf; # if the backend is down (502), we fallback to our local static files error_page 502 = @local_static_files; # if you need to mask more proxy failures: # proxy_intercept_errors on; # intercept all >300 return code if you need } # ... # } |