Improve configurability BBE

examples/configurable-variables/configurable_variables.bal

@@ -1,5 +1,12 @@
+import ballerina/io;
+
 // The host of the database server. The default value is `localhost`.
 configurable string dbHost = "localhost";
 
 // This specifies that the password must be supplied in a configuration file.
 configurable string password = ?;
+
+public function main() {
+    io:println("host: ", hostName);
+    io:println("password: ", password);
+}

examples/configurable-variables/configurable_variables.md

@@ -6,4 +6,8 @@ For more information, see [Configure a sample Ballerina service](/learn/configur
 
 ::: code configurable_variables.bal :::
 
+To run the example, copy the following content to a file named `Config.toml` in the current directory.
+
+::: code Config.toml :::
+
 ::: out configurable_variables.out :::

examples/configurable-variables/configurable_variables.out

@@ -1 +1,3 @@
 $ bal run configurable_variables.bal
+host: localhost
+password: password

examples/configuring-via-toml/configuring-via-toml.md

@@ -10,4 +10,8 @@ For more information, see [Configure via TOML syntax](/learn/provide-values-to-c
 
 ::: code configuring_via_toml.bal :::
 
+To run the example, copy the following content to a file named `Config.toml` in the current directory.
+
+::: code Config.toml :::
+
 ::: out configuring_via_toml.out :::