EC2 Amazon Linux を PostgreSQL インスタンスとして立ち上げる

#!/bin/bash -xe
amazon-linux-extras install postgresql11 -y
yum install postgresql-server postgresql-devel postgresql-contrib -y
postgresql-setup initdb
systemctl enable postgresql.service --now
sudo -u postgres createdb ${DatabaseName}
sudo -u postgres psql -U postgres -c "CREATE ROLE ${DatabaseUser} WITH LOGIN PASSWORD '${DatabasePassword}'"
sudo -u postgres psql -U postgres -c "GRANT ALL PRIVILEGES ON DATABASE ${DatabaseName} TO ${DatabaseUser}"
echo 'host all all 0.0.0.0/0 password' > /var/lib/pgsql/data/pg_hba.conf
echo 'local all all password' >> /var/lib/pgsql/data/pg_hba.conf
echo "listen_addresses = '*'" >> /var/lib/pgsql/data/postgresql.conf
systemctl restart postgresql.service