postgresql on alpine linux

apk update
apk upgrade

apk add postgresl17 postgresl17-contrib postgresl17-openrc

rc-update add postgresql
rc-service postgresql start

vi /etc/postgresql/postgresql.conf

# /etc/postgresql/postgresql.conf

...
listen_addresses = '*'
...

vi /etc/postgresql/pg_hba.conf

# /etc/postgresql/pg_hba.conf

host    all             all             <CIDR>        md5