参考：How To Set Up Django with Postgres, Nginx, and Gunicorn on CentOS 7

环境配置

安装组件：

sudo yum install epel-release
sudo yum install postgresql-server postgresql-devel postgresql-contrib gcc nginx

初始化pg库并配置为允许密码验证：

sudo postgresql-setup initdb
sudo vim /var/lib/pgsql/data/pg_hba.conf

修改为：

. . .

# TYPE  DATABASE        USER            ADDRESS                 METHOD

# "local" is for Unix domain socket connections only
local   all             all                                     peer
# IPv4 local connections:
#host    all             all             127.0.0.1/32            ident
host    all             all             127.0.0.1/32            md5
# IPv6 local connections:
#host    all             all             ::1/128                 ident
host    all             all             ::1/128                 md5

启动服务：

sudo systemctl start postgresql
sudo systemctl enable postgresql

postgresql_35">postgresql配置

centos7中postgresql配置文件位置：

/var/lib/pgsql/data/postgresql.conf

如何修改绑定端口

修改/var/lib/pgsql/data/postgresql.conf文件中的port：

port = 5431                             # (change requires restart)
# Note: In RHEL/Fedora installations, you can't set the port number here;
# adjust it in the service file instead.

发现无效。仔细看注释：在RHEL/Fedora系统中不能在这配置端口，而要去修改service文件，好吧……

service文件位置为：

/usr/lib/systemd/system/postgresql.service 

修改端口配置：

# Port number for server to listen on
Environment=PGPORT=5431

systemctl daemon-reload

如何修改监听IP

默认情况下数据库不接受外部访问。

如何让数据库接受来自所有IP的连接？

配置监听IP的话，就可以修改/var/lib/pgsql/data/postgresql.conf了：

listen_addresses = '*'

Gunicorn服务配置

vim /etc/systemd/system/gunicorn.service

[Unit]
Description=gunicorn daemon
After=network.target

[Service]
User=root
Group=root
WorkingDirectory=/home/django-data-assets/
ExecStart=/root/miniconda3/envs/django_env/bin/gunicorn --workers 3 --bind unix:/home/django-data-assets.sock core.wsgi

[Install]
WantedBy=multi-user.target

sudo systemctl start gunicorn
sudo systemctl enable gunicorn
sudo systemctl restart gunicorn

Nginx配置

vim /etc/nginx/nginx.conf

    # Django Server
    server {
        listen 35888;
        server_name  127.0.0.1;

        location = /favicon.ico {
         root /home/django-data-assets/static;
        }

        # 注意下面的location后面没有等号=， 否则找static文件就404
        location /static/ {
            root /home/django-data-assets;
        }

        location / {
                proxy_set_header Host $http_host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto $scheme;
                proxy_pass http://unix:/home/django-data-assets.sock;
        }

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

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

sudo nginx -t
sudo systemctl start nginx
sudo systemctl enable nginx
sudo systemctl restart nginx

关闭防火墙

firewall-cmd --state

systemctl stop firewalld
systemctl disable firewalld
systemctl mask --now firewalld

清除iptables规则：

iptables -F

遇到过的坑是，已经执行了systemctl stop firewalld，结果firewall-cmd --state还是显示running。
解决办法：重启centos即可。