Create Dockerfile

.gitignore

@@ -1,2 +1,2 @@
-addressbook.iml
+
 target

Dockerfile

@@ -0,0 +1,25 @@
+# Build stage
+FROM maven:latest AS build
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the source code directory to the container
+COPY src /app/src
+# Copy the pom.xml file to the container
+COPY pom.xml /app
+
+# Run the Maven build to compile and package the application
+RUN mvn clean install
+
+# Final stage
+FROM tomcat:9.0-alpine
+
+# Copy the built WAR file from the build stage to the Tomcat webapps directory
+COPY --from=build /app/target/addressbook-2.0.war /usr/local/tomcat/webapps/
+
+# Expose the default Tomcat port for
+EXPOSE 8080
+
+# Start Tomcat and run the deployed application
+CMD ["catalina.sh", "run"]

README.md

@@ -1,5 +1,5 @@
-Addressbook Tutorial
-====================
+Addressbook Tutorial  
+=======================
 
 This tutorial teaches you some of the basic concepts in [Vaadin Framework](https://vaadin.com). It is meant to be
 a fast read for learning how to get started - not an example on how application should be

src/main/java/com/vaadin/tutorial/addressbook/backend/ContactService.java

@@ -16,11 +16,11 @@
 public class ContactService {
 
     // Create dummy data by randomly combining first and last names
-    static String[] fnames = { "Peter", "Alice", "John", "Mike", "Olivia",
+    static String[] fnames = { "Jerry", "Alice", "John", "Mike", "Olivia",
             "Nina", "Alex", "Rita", "Dan", "Umberto", "Henrik", "Rene", "Lisa",
             "Linda", "Timothy", "Daniel", "Brian", "George", "Scott",
             "Jennifer" };
-    static String[] lnames = { "Smith", "Johnson", "Williams", "Jones",
+    static String[] lnames = { "Smith", "Johnson", "Sai", "Jones",
             "Brown", "Davis", "Miller", "Wilson", "Moore", "Taylor",
             "Anderson", "Thomas", "Jackson", "White", "Harris", "Martin",
             "Thompson", "Young", "King", "Robinson" };