nginx 簡單了解
- 高性能web服務器,開源免費
- 一般用作靜態服務,負載均衡
- 反向代理(常用)
什么是反向代理?
客戶端無法控制,對於客戶端來說是個黑盒,它不知道你內部做了什么處理(
比如,我訪問/就到了首頁,而訪問/api實際上訪問的是后端接口
)作用可以用來解決cookie不能跨域的問題 保證前后端同域聯調
nginx下載
- Windows: 通過官網下載
- Mac:
brew install nginx
nginx配置文件
- Windows:
C:\nginx\conf\nginx.conf
- Mac:
/usr/local/etc/nginx/nginx.conf
nginx命令
-
測試配置文件格式是否正確
nginx -t
-
啟動
nginx
-
重啟
nginx -s reload
-
停止
nginx -s stop
配置文件注解
#user nobody;
# CPU核數
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
server {
# 用戶端和服務端集成到8080端口
listen 8080;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
# location / {
# root html;
# index index.html index.htm;
# }
# 用戶端
location / {
proxy_pass http://localhost:8001;
}
# 服務端
location /api/ {
proxy_pass http://localhost:8000;
proxy_set_header Host $host;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
# proxy the PHP scripts to Apache listening on 127.0.0.1:80
#
#location ~ \.php$ {
# proxy_pass http://127.0.0.1;
#}
# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
#location ~ \.php$ {
# root html;
# fastcgi_pass 127.0.0.1:9000;
# fastcgi_index index.php;
# fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
# include fastcgi_params;
#}
# deny access to .htaccess files, if Apache's document root
# concurs with nginx's one
#
#location ~ /\.ht {
# deny all;
#}
}
# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
# listen 8000;
# listen somename:8080;
# server_name somename alias another.alias;
# location / {
# root html;
# index index.html index.htm;
# }
#}
# HTTPS server
#
#server {
# listen 443 ssl;
# server_name localhost;
# ssl_certificate cert.pem;
# ssl_certificate_key cert.key;
# ssl_session_cache shared:SSL:1m;
# ssl_session_timeout 5m;
# ssl_ciphers HIGH:!aNULL:!MD5;
# ssl_prefer_server_ciphers on;
# location / {
# root html;
# index index.html index.htm;
# }
#}
include servers/*;
}