fix (Dockerfile): add postgresql-client for container

[l2D]

This PR will add psql CLI to support check connection to PostgreSQL

domain-locker/check.js

Lines 167 to 170 in c41ee31

	execSync(
	`PGPASSWORD="${DL_PG_PASSWORD}" psql -h ${DL_PG_HOST} -p ${DL_PG_PORT} -U ${DL_PG_USER} -d ${DL_PG_NAME} -c "SELECT 1;"`,
	{ stdio: 'ignore' }
	);

Before:

2025-03-18 15:04:17 
2025-03-18 15:04:17 ██████╗  ██████╗ ███╗   ███╗ █████╗ ██╗███╗   ██╗
2025-03-18 15:04:17 ██╔══██╗██╔═══██╗████╗ ████║██╔══██╗██║████╗  ██║
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2025-03-18 15:04:17 ██████╔╝╚██████╔╝██║ ╚═╝ ██║██║  ██║██║██║ ╚████║
2025-03-18 15:04:17 ╚═════╝  ╚═════╝ ╚═╝     ╚═╝╚═╝  ╚═╝╚═╝╚═╝  ╚═══╝
2025-03-18 15:04:17                                                  
2025-03-18 15:04:17 ██╗      ██████╗  ██████╗██╗  ██╗███████╗██████╗ 
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2025-03-18 15:04:17 ███████╗╚██████╔╝╚██████╗██║  ██╗███████╗██║  ██║
2025-03-18 15:04:17 ╚══════╝ ╚═════╝  ╚═════╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝
2025-03-18 15:04:17     
2025-03-18 15:04:17 Licensed under MIT. Coded with ☕ and ❤️ by Lissy93
2025-03-18 15:04:17 Source at https://github.com/lissy93/domain-locker
2025-03-18 15:04:17 
2025-03-18 15:04:17 
2025-03-18 15:04:17 ⚙️ Checking config...
2025-03-18 15:04:17 🌍 Environment: Self-Hosted
2025-03-18 15:04:17 📦 Version: 0.0.3
2025-03-18 15:04:17 💾 Database Type: Postgres
2025-03-18 15:04:17 
2025-03-18 15:04:17 🔌 Testing database connection...
2025-03-18 15:04:17 Listening on http://[::]:5173
2025-03-18 15:04:17 ❌ Failed to connect to PostgreSQL: Command failed: PGPASSWORD="changeme2420" psql -h postgres -p 5432 -U postgres -d domain_locker -c "SELECT 1;"

After:

2025-03-18 15:05:00 
2025-03-18 15:05:00 ██████╗  ██████╗ ███╗   ███╗ █████╗ ██╗███╗   ██╗
2025-03-18 15:05:00 ██╔══██╗██╔═══██╗████╗ ████║██╔══██╗██║████╗  ██║
2025-03-18 15:05:00 ██║  ██║██║   ██║██╔████╔██║███████║██║██╔██╗ ██║
2025-03-18 15:05:00 ██║  ██║██║   ██║██║╚██╔╝██║██╔══██║██║██║╚██╗██║
2025-03-18 15:05:00 ██████╔╝╚██████╔╝██║ ╚═╝ ██║██║  ██║██║██║ ╚████║
2025-03-18 15:05:00 ╚═════╝  ╚═════╝ ╚═╝     ╚═╝╚═╝  ╚═╝╚═╝╚═╝  ╚═══╝
2025-03-18 15:05:00                                                  
2025-03-18 15:05:00 ██╗      ██████╗  ██████╗██╗  ██╗███████╗██████╗ 
2025-03-18 15:05:00 ██║     ██╔═══██╗██╔════╝██║ ██╔╝██╔════╝██╔══██╗
2025-03-18 15:05:00 ██║     ██║   ██║██║     █████╔╝ █████╗  ██████╔╝
2025-03-18 15:05:00 ██║     ██║   ██║██║     ██╔═██╗ ██╔══╝  ██╔══██╗
2025-03-18 15:05:00 ███████╗╚██████╔╝╚██████╗██║  ██╗███████╗██║  ██║
2025-03-18 15:05:00 ╚══════╝ ╚═════╝  ╚═════╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝
2025-03-18 15:05:00     
2025-03-18 15:05:00 Licensed under MIT. Coded with ☕ and ❤️ by Lissy93
2025-03-18 15:05:00 Source at https://github.com/lissy93/domain-locker
2025-03-18 15:05:00 
2025-03-18 15:05:00 
2025-03-18 15:05:00 ⚙️ Checking config...
2025-03-18 15:05:00 🌍 Environment: Self-Hosted
2025-03-18 15:05:00 📦 Version: 0.0.4
2025-03-18 15:05:00 💾 Database Type: Postgres
2025-03-18 15:05:00 
2025-03-18 15:05:00 🔌 Testing database connection...
2025-03-18 15:05:00 ✅ Successfully connected to PostgreSQL.
2025-03-18 15:05:00 
2025-03-18 15:05:00 🚀 Getting ready to start...
2025-03-18 15:05:00 🤘 Server will soon start at http://localhost:5173
2025-03-18 15:05:00 
2025-03-18 15:05:00 Listening on http://[::]:5173

[vercel]

@l2D is attempting to deploy a commit to the AS93 Team on Vercel.

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