fix: db connection

db_lab/Form1.cs

@@ -13,7 +13,7 @@ namespace db_lab
 {
     public partial class Form1 : Form
     {
-        string connectionString = "Server=localhost;Port=5432;UserId=postgres;Password=postgres;Database=SQL_Servers;";
+        string connectionString = "Server=192.168.1.218;Port=5432;UserId=postgres;Password=postgres;Database=SQL_Servers;";
         NpgsqlConnection connection;
 
         public Form1()

db_lab/docker-compose.yaml

@@ -13,7 +13,7 @@ services:
       - postgres:/var/lib/postgresql/data
 
   pgadmin:
-    image: dpage/pgadmin4:4.16
+    image: dpage/pgadmin4:8.6
     environment:
       PGADMIN_DEFAULT_EMAIL: admin@pgadmin.com
       PGADMIN_DEFAULT_PASSWORD: password