updates to backend database from in-memory to mysql

docker-compose.yml

@@ -0,0 +1,21 @@
+version: '3.8'
+services:
+  mysqldb:
+    image: library/mysql:latest
+    ports:
+      - 3306:3306
+    environment:
+      - MYSQL_ROOT_PASSWORD=root
+      - MYSQL_USER=user
+      - MYSQL_PASSWORD=password
+      - MYSQL_DATABASE=db
+    volumes:
+      - mysql_data_container:/var/lib/mysql
+    networks:
+      - dj-website-backend-network
+
+volumes:
+  mysql_data_container:
+
+networks:
+  dj-website-backend-network:

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.3.4.RELEASE</version>
+		<version>2.4.0-SNAPSHOT</version>
 		<relativePath/>
 	</parent>
 	<groupId>dj.personal</groupId>
@@ -20,6 +20,11 @@
 	</properties>
 
 	<dependencies>
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<version>8.0.23</version>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-test</artifactId>
@@ -45,18 +50,12 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 		</dependency>
-
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-devtools</artifactId>
 			<scope>runtime</scope>
 			<optional>true</optional>
 		</dependency>
-		<dependency>
-			<groupId>com.h2database</groupId>
-			<artifactId>h2</artifactId>
-			<scope>runtime</scope>
-		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>

src/main/java/dj/personal/website/article/ArticleRunner.java

@@ -29,10 +29,12 @@ public ArticleRunner(ArticleRepository articleRepository) {
 
 	@Override
 	public void run(String... args) {
-		Collection<Article> articles = createArticles();
+		if(articleRepository.count() == 0){
+			Collection<Article> articles = createArticles();
 
-		int size = articles.size();
-		log.info(size + " articles have been saved to the database.");
+			int size = articles.size();
+			log.info(size + " articles have been saved to the database.");
+		}
 	}
 
 	private Collection<Article> createArticles() {

src/main/java/dj/personal/website/book/BookRunner.java

@@ -30,8 +30,10 @@ public BookRunner(BookRepository bookRepository) {
 
 	@Override
 	public void run(String... args) {
-		Collection<Book> books = createBooks();
-		log.info(books.size() + " books have been saved to the database.");
+		if(bookRepository.count() == 0) {
+			Collection<Book> books = createBooks();
+			log.info(books.size() + " books have been saved to the database.");
+		}
 	}
 
 	private Collection<Book> createBooks() {

src/main/java/dj/personal/website/certificate/CertificateRunner.java

@@ -25,10 +25,12 @@ public CertificateRunner(CertificateRepository certificateRepository) {
 
 	@Override
 	public void run(String... args) {
-		Collection<Certificate> certificates = createCertificates();
+		if(certificateRepository.count() == 0) {
+			Collection<Certificate> certificates = createCertificates();
 
-		int size = certificates.size();
-		log.info(size + " certificates have been saved to the database.");
+			int size = certificates.size();
+			log.info(size + " certificates have been saved to the database.");
+		}
 	}
 
 	private Collection<Certificate> createCertificates() {

src/main/java/dj/personal/website/project/ProjectRunner.java

@@ -35,15 +35,17 @@ public ProjectRunner(ProjectRepository projectRepository,
 
 	@Override
 	public void run(String... args) {
-		Collection<Project> projects = createProjects();
+		if(projectRepository.count() == 0){
+			Collection<Project> projects = createProjects();
 
-		log.info(projects.size() + " projects have been saved to the database.");
+			log.info(projects.size() + " projects have been saved to the database.");
 
-		Collection<Technology> technologies = technologyRepository.findAll();
-		log.info(technologies.size() + " technologies have been saved to the database.");
+			Collection<Technology> technologies = technologyRepository.findAll();
+			log.info(technologies.size() + " technologies have been saved to the database.");
 
-		Collection<Responsibility> responsibilities = responsibilityRepository.findAll();
-		log.info(responsibilities.size() + " responsibilities have been saved to the database.");
+			Collection<Responsibility> responsibilities = responsibilityRepository.findAll();
+			log.info(responsibilities.size() + " responsibilities have been saved to the database.");
+		}
 	}
 
 	private Collection<Project> createProjects() {

src/main/resources/application.properties

@@ -7,3 +7,10 @@ cors.allowedHeaders=*
 cors.exposedHeaders=
 cors.allowCredentials=
 cors.maxAge=
+
+spring.jpa.hibernate.ddl-auto=update
+spring.datasource.url=jdbc:mysql://localhost:3306/db
+spring.datasource.username=user
+spring.datasource.password=password
+spring.datasource.driver-class-name=com.mysql.jdbc.Driver
+spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect