问题描述：

局域网配置https，nginx重启后异常，

2022/05/19 15:11:36 [emerg] 1#1: cannot load certificate "/etc/nginx/test.crt": BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/test.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
2022/05/19 15:11:37 [emerg] 1#1: cannot load certificate "/etc/nginx/test.crt": BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/test.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
2022/05/19 15:11:38 [emerg] 1#1: cannot load certificate "/etc/nginx/test.crt": BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/test.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
2022/05/19 15:11:38 [emerg] 1#1: cannot load certificate "/etc/nginx/test.crt": BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/test.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
2022/05/19 15:11:40 [emerg] 1#1: cannot load certificate "/etc/nginx/test.crt": BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/test.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)
2022/05/19 15:11:42 [emerg] 1#1: cannot load certificate "/etc/nginx/test.crt": BIO_new_file() failed (SSL: error:02001002:system library:fopen:No such file or directory:fopen('/etc/nginx/test.crt','r') error:2006D080:BIO routines:BIO_new_file:no such file)

 排查方式：

1.排查目录文件确实存在/etc/nginx/test.crt（绝对路径）

2.nginx在docker启动的，文件路径需要挂载（不然nginx会在容器中找寻文件，这也文件就会找不到）

以上我是排查的方式。