refactor basic autenticate

Author: ValterAndrei

.devcontainer/devcontainer.json

@@ -14,7 +14,9 @@
 
   "containerEnv": {
     "KAMAL_REGISTRY_PASSWORD": "$KAMAL_REGISTRY_PASSWORD",
-    "DB_HOST": "postgres"
+    "DB_HOST": "postgres",
+    "MCP_PASSWORD": "mcp_password",
+    "MCP_USERNAME": "mcp_username"
   },
 
   // Configure tool-specific properties.

.vscode/mcp.json

@@ -4,7 +4,7 @@
       "type": "http",
       "url": "http://localhost:3000/mcp",
       // "headers": {
-      //   // "Basic #{Base64.strict_encode64("mcp_username:mcp_password")}"
+      //   // "Basic #{Base64.strict_encode64("#{ENV["MCP_USERNAME"]}:#{ENV["MCP_PASSWORD"]}")}"
       //   "Authorization": "Basic bWNwX3VzZXJuYW1lOm1jcF9wYXNzd29yZA=="
       // }
     }

app/controllers/mcp_controller.rb

@@ -47,7 +47,7 @@ def handle
 
   def authenticate!
     authenticate_or_request_with_http_basic do |username, password|
-      username == "mcp_username" && password == "mcp_password"
+      username == ENV["MCP_USERNAME"] && password == ENV["MCP_PASSWORD"]
     end
   end
 end