Replace service binding with Service Connector for MySQL, other assorted polishing (#182)

* Numerous fixes across the board in READMEs and code

* Minor fixes from workshop

* Replaced service binding with Service Connector for MySQL, other cleanup

* Update README.md

minor readme polishing

---------

Co-authored-by: Sandra Ahlgrimm <sandra.kriemann@gmail.com>

06-build-a-reactive-spring-boot-microservice-using-cosmosdb/README.md

@@ -10,12 +10,12 @@ We'll use the reactive programming paradigm to build our microservice in this se
 
 ## Prepare the Azure Cosmos DB database
 
-From Section 00, you should already have a CosmosDB account named `sclabc-<unique string>`.
+From Section 00, you should already have a Cosmos DB account named `sclabc-<unique string>`.
 
-- Click on the "Data Explorer" menu item
+- Click on the `Data Explorer` menu item
   - Expand the container named `azure-spring-apps-cosmosdb`.
   - In that container, expand the container named `City`.
-  - Click on "Items" and use the "New Item" button to create some sample items using the contents below:
+  - Click on `Items` and use the `New Item` button to create some sample items using the contents below:
 
     ```json
     {
@@ -143,12 +143,12 @@ az spring app create -n city-service --runtime-version Java_17
 
 Azure Spring Apps can automatically connect the Cosmos DB database we created to our microservice.
 
-- Go to "Apps" in your Azure Spring Apps instance.
+- Go to `Apps` in your Azure Spring Apps instance.
 - Select the `city-service` application
 - Go to `Service Connector`
 - Click on `+ Create`
 - Choose `Cosmos DB` as the Service type
-- Give your Connection a name, for example `cosmos_city`
+- Give your Connection a name, for example "cosmos_city"
 - Select the `NoSQL` API type
 - Select the Cosmos DB account and Database we created in the initial 00 setup step
 - Verify that the Client type is `SpringBoot`
@@ -184,7 +184,7 @@ cd ..
 
 ## Test the project in the cloud
 
-- Go to "Apps" in your Azure Spring Apps instance.
+- Go to `Apps` in your Azure Spring Apps instance.
   - Verify that `city-service` has a `Registration status` which says `1/1`. This shows that it is correctly registered in Spring Cloud Service Registry.
   - Select `city-service` to have more information on the microservice.
 - Copy/paste the "Test Endpoint" that is provided.

07-build-a-spring-boot-microservice-using-mysql/README.md

@@ -58,25 +58,51 @@ echo "Your MySQL username is: ${MYSQL_USERNAME}"
 
 ```
 
-## Bind the MySQL database to the application
+## Connect the MySQL database to the application
 
-As we did for CosmosDB in the previous section, create a service binding for the MySQL database to make it available to Azure Spring Apps microservices.
+As we did for Cosmos DB in the previous section, create a Service Connector for the MySQL database to make it available to the `weather-service` microservice.
 In the [Azure Portal](https://portal.azure.com/?WT.mc_id=java-0000-judubois):
 
 - Navigate to your Azure Spring Apps instance
-- Click on Apps
+- Click on `Apps`
 - Click on `weather-service`.
-- Click on "Service Bindings" and then on "Create service binding".
-- Populate the service binding fields as shown.
-  - The username will be displayed in last line of output from the section above.
-  - The password is the one you specified in section 0. The default value is `super$ecr3t`.
-- Click on `Create` to create the database binding
+- Click on `Service Connector` and then on `+ Create`.
+- Populate the Service Connector fields as shown:
+  - For Service type, select `DB for MySQL single server`
+  - Specify a connection name, e.g. "weatherdb"
+  - Verify the correct subscription is shown
+  - Choose the MySQL server created in the preceding steps
+  - Select the MySQL database created earlier
+  - Select `SpringBoot` as the Client type
+  - Click the `Next: Authentication` button
 
-![MySQL Service Binding](media/01-create-service-binding-mysql.png)
+![MySQL Service Connector, 1 of 5](media/01-create-service-connector-mysql.png)
+
+- Verify `Connection string` is selected
+- Select `Continue with...Database credentials` and fill in Username and Password
+  - The Username was echoed to the terminal as the last command executed earlier
+  - The password is the one you specified in section 0. The default value is `super$ecr3t`.
+- Expand `Advanced` to visually inspect the injected Spring Data properties (optional)
+
+![MySQL Service Connector, 2 of 5](media/02-create-service-connector-mysql.png)
+
+- Review the properties automatically injected by the Service Connector to the `weather-service`
+- Click `Next: Networking`
+
+![MySQL Service Connector, 3 of 5](media/03-create-service-connector-mysql.png)
+
+- Verify that `Configure firewall rules to enable access to target service` is selected
+- Click on `Next: Review + Create`
+
+![MySQL Service Connector, 4 of 5](media/04-create-service-connector-mysql.png)
+
+- After receiving the "Validation passed" message, click the `Create` button to create the Service Connector
+
+![MySQL Service Connector, 5 of 5](media/05-create-service-connector-mysql.png)
 
 ## Create a Spring Boot microservice
 
-Now that we've provisioned the Azure Spring Apps instance and configured the service binding, let's get the code for `weather-service` ready. The microservice that we create in this guide is [available here](weather-service/).
+Now that we've provisioned the Azure Spring Apps instance and configured the Service Connector, let's get the code for `weather-service` ready. The microservice that we create in this guide is [available here](weather-service/).
 
 To create our microservice, we will invoke the Spring Initalizr service from the command line: