Update PostgreSQL configuration in .env.example and final report script

- Changed POSTGRES_HOST value in .env.example from 'db' to 'postgres' for clarity.
- Enhanced the final report script to display detailed PostgreSQL backup target information, including version, host, port, username, password, and database name.

.env.example

@@ -203,10 +203,9 @@ RAGAPP_PASSWORD=
 # Database - You can change these to any PostgreSQL database that has logical replication enabled.
 ############
 
-POSTGRES_HOST=db
 POSTGRES_DB=postgres
+POSTGRES_HOST=postgres
 POSTGRES_PORT=5432
-# default user is postgres
 POSTGRES_USER=postgres
 
 ############

scripts/06_final_report.sh

@@ -150,7 +150,14 @@ if is_profile_active "postgresus"; then
   echo "Host: ${POSTGRESUS_HOSTNAME:-<hostname_not_set>}"
   echo "UI (external via Caddy): https://${POSTGRESUS_HOSTNAME:-<hostname_not_set>}"
   echo "UI (internal): http://postgresus:4005"
-  echo "To back up internal PostgreSQL: host=postgres, port=5432, user=postgres, password=${POSTGRES_PASSWORD:-<not_set_in_env>}"
+  echo "------ Backup Target (internal PostgreSQL) ------"
+  echo "PG version: ${POSTGRES_VERSION:-17}"
+  echo "Host: ${POSTGRES_HOST:-postgres}"
+  echo "Port: ${POSTGRES_PORT:-5432}"
+  echo "Username: ${POSTGRES_USER:-postgres}"
+  echo "Password: ${POSTGRES_PASSWORD:-<not_set_in_env>}"
+  echo "DB name: ${POSTGRES_DB:-postgres}"
+  echo "Use HTTPS: false"
 fi
 
 if is_profile_active "ragapp"; then