Create a database & user in PostgreSQL

sudo -u postgres psql -c "CREATE USER your_user_id with password 'your_password' superuser;"

sudo -u postgres psql -c 'create database confluence with your_user_id;'

sudo -u postgres psql
update pg_database set datallowconn = TRUE where datname = 'template0';
\c template0
update pg_database set datistemplate = FALSE where datname = 'template1';
drop database template1;
create database template1 with template = template0 encoding = 'UTF8';
update pg_database set datistemplate = TRUE where datname = 'template1';
\c template1
update pg_database set datallowconn = FALSE where datname = 'template0';

sudo -u postgres psql -c "create database newid with encoding='utf8' template=template0;"

CREATE DATABASE db_name
 OWNER =  role_name
 TEMPLATE = template
 ENCODING = encoding
 LC_COLLATE = collate
 LC_CTYPE = ctype
 TABLESPACE = tablespace_name
 CONNECTION LIMIT = max_concurrent_connection


WITH ENCODING='UTF8'