全栈开发之前、后端服务部署：Nginx源码安装，反向代理，静态资源服务，生产环境跨域，负载均衡

# 下载
[root@hadoop1 local]# wget http://nginx.org/download/nginx-1.20.1.tar.gz
# 解压
[root@hadoop1 local]# tar -xvf nginx-1.20.1.tar.gz
[root@hadoop1 local]# cd nginx-1.20.1
[root@hadoop1 nginx-1.20.1]# ./configure
[root@hadoop1 nginx-1.20.1]# make
[root@hadoop1 nginx-1.20.1]# make install
# 配置环境变量
[root@hadoop1 nginx-1.20.1]# nginx -V
-bash: nginx: 未找到命令
[root@hadoop1 nginx-1.20.1]# vi /etc/profile
export NGINX_HOME=/usr/local/nginx
export PATH=$PATH:$NGINX_HOME/sbin
[root@hadoop1 nginx-1.20.1]# source /etc/profile
[root@hadoop1 nginx-1.20.1]# nginx -V
nginx version: nginx/1.20.1
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC) 
configure arguments:
# 启动
[root@hadoop1 nginx-1.20.1]# nginx -c /usr/local/nginx/conf/nginx.conf
# 配置开机自启Nginx服务
# 这里是用源码编译安装的，所以需要手动创建nginx.service服务文件。
[root@hadoop1 nginx-1.20.1]# vi /lib/systemd/system/nginx.service
[Unit]
Description=nginx service
After=network.target 
[Service] 
Type=forking 
ExecStart=/usr/local/nginx/sbin/nginx
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/usr/local/nginx/sbin/nginx -s quit
PrivateTmp=true 
[Install] 
WantedBy=multi-user.target
[root@hadoop1 nginx-1.20.1]# systemctl list-unit-files | grep nginx
nginx.service                                 disabled
[root@hadoop1 nginx-1.20.1]# systemctl enable nginx
Created symlink from /etc/systemd/system/multi-user.target.wants/nginx.service to /usr/lib/systemd/system/nginx.service.
[root@hadoop1 nginx-1.20.1]# systemctl list-unit-files | grep nginx
nginx.service                                 enabled 
# 常用命令
systemctl start nginx.service　         启动nginx服务
systemctl stop nginx.service　          停止服务
systemctl restart nginx.service　       重新启动服务
systemctl status nginx.service          查看服务状态
systemctl enable nginx.service          设置开机自启动
systemctl disable nginx.service         取消开机自启动
# 查看开机启动项
systemctl list-unit-files
systemctl list-unit-files | grep enabled
systemctl list-unit-files | grep nginx

location / {
        root  /opt/reading-notes/frontend/dist;
        index  index.html index.htm;
    }

location /api  {
            include  uwsgi_params;
            rewrite  ^/api/(.*)$ /$1 break;
            proxy_pass   http://localhost:8000;
    }

<plugin>
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-compiler-plugin</artifactId>
     <configuration>
         <source>1.8</source>
         <target>1.8</target>
         <encoding>UTF-8</encoding>
     </configuration>
 </plugin>

# 查看对当前用户的授权情况
show grants for 'root';
# 授权
GRANT DELETE, INSERT, SELECT, UPDATE ON `reading_notes`.* to root@'%' identified by 'root';
flush PRIVILEGES;
# 吊销
REVOKE DELETE, INSERT, SELECT, UPDATE ON `reading_notes`.* from root@'%';
flush PRIVILEGES;

upstream api-server {
        server 127.0.0.1:7000;
        server 127.0.0.1:8000;
    }

location /api  {
            include  uwsgi_params;
            rewrite  ^/api/(.*)$ /$1 break;
            proxy_pass   http://api-server;
    }

upstream api-server {
        server 127.0.0.1:7000 weight=2;
        server 127.0.0.1:8000;
    }

add_header ServerIP $upstream_addr;

try_files $uri $uri/ /index.html;