Update to Spring Boot 3.0

That necessitated upgrading Cassandra to version 4, which then
necessitated changing two commands in the README file.

Author: Jay Bryant

README.adoc

@@ -108,7 +108,7 @@ If you prefer to run Cassandra locally in a containerized environment, run the f
 
 [source,bash]
 ----
-docker run -p 9042:9042 --rm --name cassandra -d cassandra:3.11
+docker run -p 9042:9042 --rm --name cassandra -d cassandra:4.0.7
 ----
 
 After the container is created, access the Cassandra query language shell:

complete/build.gradle

@@ -1,12 +1,12 @@
 plugins {
-	id 'org.springframework.boot' version '2.7.0'
-	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id 'org.springframework.boot' version '3.0.0'
+	id 'io.spring.dependency-management' version '1.1.0'
 	id 'java'
 }
 
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '1.8'
+sourceCompatibility = '17'
 
 repositories {
 	mavenCentral()

complete/pom.xml

@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.0</version>
+		<version>3.0.0</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -16,7 +16,7 @@
 	<description>Demo project for Spring Boot</description>
 
 	<properties>
-		<java.version>1.8</java.version>
+		<java.version>17</java.version>
 	</properties>
 
 	<dependencies>

complete/src/main/resources/application.properties

@@ -1,10 +1,10 @@
-spring.data.cassandra.schema-action=CREATE_IF_NOT_EXISTS
-spring.data.cassandra.request.timeout=10s
-spring.data.cassandra.connection.connect-timeout=10s
-spring.data.cassandra.connection.init-query-timeout=10s
- 
-spring.data.cassandra.local-datacenter=datacenter1
-spring.data.cassandra.keyspace-name=spring_cassandra
+spring.cassandra.schema-action=CREATE_IF_NOT_EXISTS
+spring.cassandra.request.timeout=10s
+spring.cassandra.connection.connect-timeout=10s
+spring.cassandra.connection.init-query-timeout=10s
+
+spring.cassandra.local-datacenter=datacenter1
+spring.cassandra.keyspace-name=spring_cassandra
 
 # Credentials to Astra DB
 #astra.client-id=<CLIENT_ID>

initial/build.gradle

@@ -1,12 +1,12 @@
 plugins {
-	id 'org.springframework.boot' version '2.7.0'
-	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id 'org.springframework.boot' version '3.0.0'
+	id 'io.spring.dependency-management' version '1.1.0'
 	id 'java'
 }
 
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '1.8'
+sourceCompatibility = '17'
 
 repositories {
 	mavenCentral()

initial/pom.xml

@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.0</version>
+		<version>3.0.0</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -16,7 +16,7 @@
 	<description>Demo project for Spring Boot</description>
 
 	<properties>
-		<java.version>1.8</java.version>
+		<java.version>17</java.version>
 	</properties>
 
 	<dependencies>

initial/src/main/resources/application.properties

@@ -1 +1,17 @@
+spring.cassandra.schema-action=CREATE_IF_NOT_EXISTS
+spring.cassandra.request.timeout=10s
+spring.cassandra.connection.connect-timeout=10s
+spring.cassandra.connection.init-query-timeout=10s
 
+spring.cassandra.local-datacenter=datacenter1
+spring.cassandra.keyspace-name=spring_cassandra
+
+# Credentials to Astra DB
+#astra.client-id=<CLIENT_ID>
+#astra.client-secret=<CLIENT_SECRET>
+#astra.application-token=<APP_TOKEN>
+
+# Select an Astra instance
+#astra.cloud-region=<DB_REGION>
+#astra.database-id=<DB_ID>
+#astra.keyspace=spring_cassandra