Allow connections to PostgreSQL from remote hosts with password

Makefile

@@ -35,6 +35,7 @@ all: postgresql-service
 	install -v -dm755 /run/postgresql
 	chown -Rv postgres:postgres /srv/pgsql /run/postgresql
 	su - postgres -c '/usr/bin/initdb -D /srv/pgsql/data'
+	echo "host    all             all             0.0.0.0/0               scram-sha-256" >> /srv/pgsql/data/pg_hba.conf
 	@echo "d /run/postgresql 0775 postgres postgres -" > /usr/lib/tmpfiles.d/postgresql.conf
 	@echo "$$POSTGRESQL_SERVICE" > /lib/systemd/system/postgresql.service
 	systemctl enable postgresql.service