nginx配置文件解释

#全局配置

# For more information on configuration, see:
# * Official English Documentation: http://nginx.org/en/docs/
# * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;#运行nginx的用户

worker_processes auto;#工作进程的可以根据CPU的核心总数来设置
error_log /var/log/nginx/error.log;#错误日志的存放位置及输出级别
pid /run/nginx.pid;#nginx进程PID存储文件的位置，存放nginx进程的ID号

# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

#配置工作模式

events {
worker_connections 1024;#每个进程最大处理的连接数，一个进程最多接受多少个连接
}

#http配置

http {
log_format main '$remote_addr - $remote_user [$time_local] "$request" '#日志的格式
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';

access_log /var/log/nginx/access.log main;#“访问日志”文件的位置

sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;#超时时间(稍)，超过服务器就断开连接
types_hash_max_size 2048;

include /etc/nginx/mime.types;#支持的媒体类型
default_type application/octet-stream;#默认的类型

# Load modular configuration files from the /etc/nginx/conf.d directory.
# See http://nginx.org/en/docs/ngx_core_module.html#include
# for more information.
include /etc/nginx/conf.d/*.conf;#引入conf.d/下的配置文件，包含虚拟主机的配置，可以定义多个

server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
root /usr/share/nginx/html;

# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;

location / {
#proxy_pass http://localhost:5000;
}

error_page 404 /404.html;
location = /40x.html {
}

error_page 500 502 503 504 /50x.html;
location = /50x.html {
}
}

# Settings for a TLS enabled server.
#
# server {
# listen 443 ssl http2 default_server;
# listen [::]:443 ssl http2 default_server;
# server_name _;
# root /usr/share/nginx/html;
#
# ssl_certificate "/etc/pki/nginx/server.crt";
# ssl_certificate_key "/etc/pki/nginx/private/server.key";
# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 10m;
# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;
#
# # Load configuration files for the default server block.
# include /etc/nginx/default.d/*.conf;
#
# location / {
# }
#
# error_page 404 /404.html;
# location = /40x.html {
# }
#
# error_page 500 502 503 504 /50x.html;
# location = /50x.html {
# }
# }

}