diff --git a/springboot/README.md b/springboot/README.md
index ba0fc6ef..cf06f71f 100644
--- a/springboot/README.md
+++ b/springboot/README.md
@@ -6,7 +6,10 @@ Projects created by start.spring.io contain Spring Boot, a framework that makes
 1. From https://adoptium.net install java v21, and choose Entire feature.<br/>
 2. From https://code.visualstudio.com install Visual Studio Code.<br/>
    Next, install extension "XML" and "Extension Pack for Java".<br/>
-3. From https://dev.mysql.com/downloads/installer install MySQL, the password of the root user is set to 123456.<br/>
+3. From https://www.docker.com install docker. Next, run the command:<br/>
+
+   docker run -d -p 26257:26257 cockroachdb/cockroach start-single-node --insecure --listen-addr=:26257
+
 4. Optional.<br/>
    From https://dbeaver.io install DBeaver.<br/>
 
diff --git a/springboot/pom.xml b/springboot/pom.xml
index 1cf6888c..54b9bf78 100644
--- a/springboot/pom.xml
+++ b/springboot/pom.xml
@@ -12,25 +12,27 @@
     <properties>
         <java.version>21</java.version>
         <resource.delimiter>${}</resource.delimiter>
-        <database.jdbc.url>127.0.0.1:3306</database.jdbc.url>
-        <database.name>springboot_dev</database.name>
+        <database.jdbc.url>127.0.0.1:26257</database.jdbc.url>
+        <database.name>defaultdb</database.name>
         <database.username>root</database.username>
         <database.password>123456</database.password>
-        <database.driver>com.mysql.cj.jdbc.Driver</database.driver>
-        <database.platform>com.springboot.project.common.database.CustomMySQLDialect</database.platform>
+        <database.driver>org.postgresql.Driver</database.driver>
+        <database.platform>com.springboot.project.common.database.CustomCockroachdbDialect</database.platform>
         <storage.cloud.aliyun.enabled>false</storage.cloud.aliyun.enabled>
         <storage.cloud.aliyun.endpoint></storage.cloud.aliyun.endpoint>
         <storage.cloud.aliyun.bucketName></storage.cloud.aliyun.bucketName>
         <storage.cloud.aliyun.accessKeyId></storage.cloud.aliyun.accessKeyId>
         <storage.cloud.aliyun.accessKeySecret></storage.cloud.aliyun.accessKeySecret>
-        <database.spring.jpa.hibernate.ddl.auto>validate</database.spring.jpa.hibernate.ddl.auto>
-        <database.spring.liquibase.enabled>true</database.spring.liquibase.enabled>
+        <database.spring.jpa.hibernate.ddl.auto>update</database.spring.jpa.hibernate.ddl.auto>
+        <database.spring.liquibase.enabled>false</database.spring.liquibase.enabled>
         <database.spring.datasource.url>
-            jdbc:mysql://${database.jdbc.url}/${database.name}?useUnicode=true&amp;characterEncoding=utf-8&amp;serverTimezone=UTC&amp;createDatabaseIfNotExist=true
+            jdbc:postgresql://${database.jdbc.url}/${database.name}
         </database.spring.datasource.url>
-        <database.sql.maven.plugin.url>${database.spring.datasource.url}</database.sql.maven.plugin.url>
+        <database.sql.maven.plugin.url>
+            jdbc:postgresql://${database.jdbc.url}/system
+        </database.sql.maven.plugin.url>
         <database.liquibase.maven.plugin.reference.url>
-            jdbc:mysql://${database.jdbc.url}/${env.LIQUIBASE_REFERENCE_DATABASE_NAME}?useUnicode=true&amp;characterEncoding=utf-8&amp;serverTimezone=UTC&amp;createDatabaseIfNotExist=true
+            jdbc:postgresql://${database.jdbc.url}/${env.LIQUIBASE_REFERENCE_DATABASE_NAME}
         </database.liquibase.maven.plugin.reference.url>
         <is.development.mock.mode>true</is.development.mock.mode>
         <google-cloud-spanner-jdbc.version>2.25.2</google-cloud-spanner-jdbc.version>