[Mysql] Extract mysql docker image

Fix #231

src/main/java/tech/jhipster/lite/generator/server/springboot/database/mysql/domain/MySQL.java

@@ -4,9 +4,15 @@ public class MySQL {
 
   public static final String TESTCONTAINERS_VERSION = "1.16.0";
 
+  public static final String DOCKER_IMAGE_NAME = "mysql:8.0.27";
+
   private MySQL() {}
 
   public static String getTestcontainersVersion() {
     return TESTCONTAINERS_VERSION;
   }
+
+  public static String getDockerImageName() {
+    return DOCKER_IMAGE_NAME;
+  }
 }

src/main/java/tech/jhipster/lite/generator/server/springboot/database/mysql/domain/MySQLDomainService.java

@@ -75,6 +75,7 @@ public void addHibernateCore(Project project) {
   @Override
   public void addDockerCompose(Project project) {
     project.addDefaultConfig(BASE_NAME);
+    project.addConfig("dockerImageName", MySQL.getDockerImageName());
     projectRepository.template(project, SOURCE, "mysql.yml", "src/main/docker", "mysql.yml");
   }
 
@@ -118,12 +119,10 @@ private Map<String, Object> springProperties(String baseName, String packageName
     result.put("spring.datasource.url", "jdbc:mysql://localhost:3306/" + baseName);
     result.put("spring.datasource.username", "root");
     result.put("spring.datasource.password", "");
-    result.put("spring.datasource.driver-class-name", "com.mysql.jdbc.Driver");
     result.put("spring.datasource.hikari.poolName", "Hikari");
     result.put("spring.datasource.hikari.auto-commit", false);
 
     result.put("spring.data.jpa.repositories.bootstrap-mode", "deferred");
-    result.put("spring.jpa.properties.hibernate.dialect", "org.hibernate.dialect.MySQL8Dialect");
     result.put("spring.jpa.properties.hibernate.jdbc.time_zone", "UTC");
     result.put("spring.jpa.open-in-view", false);
     result.put("spring.jpa.properties.hibernate.id.new_generator_mappings", "true");
@@ -144,7 +143,7 @@ private Map<String, Object> springProperties(String baseName, String packageName
   private Map<String, Object> springPropertiesForTest(String baseName) {
     TreeMap<String, Object> result = new TreeMap<>();
     result.put("spring.datasource.driver-class-name", "org.testcontainers.jdbc.ContainerDatabaseDriver");
-    result.put("spring.datasource.url", "jdbc:tc:mysql:8.0.27:///" + baseName);
+    result.put("spring.datasource.url", "jdbc:tc:" + MySQL.getDockerImageName() + ":///" + baseName);
     result.put("spring.datasource.username", baseName);
     result.put("spring.datasource.password", "");
     return result;

src/main/resources/generator/server/springboot/database/mysql/mysql.yml.mustache

@@ -2,7 +2,7 @@
 version: '3.8'
 services:
   mysql:
-    image: mysql:8.0.27
+    image: {{dockerImageName}}
     # volumes:
     #   - ~/volumes/jhipster/{{baseName}}/mysql/:/var/lib/mysql/
     environment:

src/test/java/tech/jhipster/lite/generator/server/springboot/database/mysql/application/MySQLApplicationServiceIT.java

@@ -17,6 +17,7 @@
 import tech.jhipster.lite.generator.init.application.InitApplicationService;
 import tech.jhipster.lite.generator.project.domain.Project;
 import tech.jhipster.lite.generator.server.springboot.core.application.SpringBootApplicationService;
+import tech.jhipster.lite.generator.server.springboot.database.mysql.domain.MySQL;
 
 @IntegrationTest
 class MySQLApplicationServiceIT {
@@ -163,7 +164,6 @@ void shouldAddProperties() {
       project,
       getPath(MAIN_RESOURCES, "config", APPLICATION_PROPERTIES),
       List.of(
-        "spring.datasource.driver-class-name=com.mysql.jdbc.Driver",
         "spring.datasource.hikari.auto-commit=false",
         "spring.datasource.hikari.poolName=Hikari",
         "spring.datasource.password=",
@@ -191,7 +191,7 @@ void shouldAddTestcontainers() {
     assertFileContent(
       project,
       getPath(TEST_RESOURCES, "config/application.properties"),
-      List.of("spring.datasource.url=jdbc:tc:mysql:8.0.27:///chips", "spring.datasource.username=chips")
+      List.of("spring.datasource.url=jdbc:tc:" + MySQL.getDockerImageName() + ":///chips", "spring.datasource.username=chips")
     );
   }
 

src/test/java/tech/jhipster/lite/generator/server/springboot/database/mysql/domain/MySQLTest.java

@@ -12,4 +12,9 @@ class MySQLTest {
   void shouldGetTestcontainersVersion() {
     assertThat(MySQL.getTestcontainersVersion()).isEqualTo("1.16.0");
   }
+
+  @Test
+  void shouldGetDockerImageName() {
+    assertThat(MySQL.getDockerImageName()).isEqualTo("mysql:8.0.27");
+  }
 }