直接使用yum安装的时候，都会提示缺少某些包无法安装。我这里把缺少的包的安装方式列一下。
yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
yum install -y https://dl.fedoraproject.org/pub/epel/7/x86_64/Packages/l/libzstd-1.5.5-1.el7.x86_64.rpm
yum -y install postgresql15-server
yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum install postgis33_15
就这几条命令，顺利安装好了postgresql15，以及postgis扩展。
安装之后初始化、修改密码：
https://computingforgeeks.com/how-to-install-postgresql-on-centos-rhel-7/
生产环境参数调优：
https://blog.csdn.net/h952520296/article/details/124190566
- postgresql postgis3 centos7 postgis centospostgresql postgis3 centos7 postgis postgresql centos7 postgis centos postgresql postgis centos7 centos postgis3 centos7 postgis数据库 数据 postgresql源码centos7 centos postgresql centos7 centos yum postgresql centos7 centos sde postgresql postgis ubuntu postgresql postgis ubuntu 18.04