Adding more information

doc/azure-stateful-webapp.tex

@@ -99,7 +99,7 @@ which mysql
 \end{lstlisting}
 
 \subsection{Python packages}
-The examples have been written and tested with Python 3.  The examples require additional Python packages to be installed.  These packages can be installed using \texttt{pip} or \texttt{pip3}, depending on the Python~3 installation.  The command to install the packages is given in Listing~\ref{listing:pip}, where the \texttt{requirements.txt} file is provided in this repository.
+The examples have been written and tested with Python 3.  The examples require additional Python packages to be installed.  These packages can be installed using \texttt{pip} or \texttt{pip3}, depending on the Python~3 installation.  The command to install the packages is given in Listing~\ref{listing:pip}, where the \texttt{requirements.txt} file is provided in this repository in the \texttt{src} directory.
 
 \begin{lstlisting}[caption={Installing Python package dependencies.},label=listing:pip,numbers=none,language=Bash,showspaces=true]
 pip install -r requirements.txt
@@ -146,7 +146,18 @@ mysql --host $db_server \
 --tls-version="TLSv1.2,TLSv1.3" $db_name
 \end{lstlisting}
 
-\item Check the tables present and remove any existing tables.
+\item Check the tables present and remove any existing tables by using Listing~\ref{listing:list-tables} and \ref{listing:db-reset}, respectively.  The Listing~\ref{listing:db-reset} assumes that the teaching environment is being used. 
+
+\begin{lstlisting}[caption={Listing the tables and columns.},label=listing:list-tables,numbers=none,language=,showspaces=true]
+SHOW TABLES;
+SHOW COLUMNS IN book;
+\end{lstlisting}
+
+\begin{lstlisting}[caption={Creating an empty database, where \texttt{db\_user} should be replaced by the database user name.},label=listing:db-reset,numbers=none,language=,showspaces=true]
+DROP DATABASE IF EXISTS db_user;
+CREATE DATABASE db_user;
+\end{lstlisting}
+
 \end{enumerate}
 
 \subsection{Remote database}
@@ -155,9 +166,18 @@ It is easier to debug a program when it is running on the local computer, since
 \begin{enumerate}
 \item Set the environment variables.
 \item Run the web service on the local computer, using the Azure MariaDB database.
-\item Verify the end points work as expected.
+\item Verify the end points work as expected by using Listing~\ref{listing:web-service-test}.
+
+\begin{lstlisting}[caption={Testing the web service.},label=listing:web-service-test,numbers=none,language=,showspaces=true]
+curl -s -X GET "http://127.0.0.1:5000/books/"
+curl -s -X POST -H "Content-Type: application/json" \
+-d '{"title": "Ulysses", "author": "James Joyce"}' \
+"http://127.0.0.1:5000/books/"
+curl -s -X GET "http://127.0.0.1:5000/books/"
+\end{lstlisting}
+
 \item Stop the web service.
-\item Verify the database table structure using the MariaDB client.
+\item Verify the database table structure using the MariaDB client and Listing~\ref{listing:list-tables}.
 \end{enumerate}
 
 \subsection{Deploying the web service}
@@ -217,6 +237,8 @@ curl -s -X GET "https://$app_name.azurewebsites.net/books/"
 az webapp delete --name $app_name --resource-group $resource_group
 \end{lstlisting}
 
+\item Remove the database tables using the MariaDB client and Listing~\ref{listing:db-reset}.
+
 \end{enumerate}
    
 \end{document}
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