CHANGED:switch to H2 Database for more easier demostration;

polling-app-server/pom.xml

@@ -68,6 +68,12 @@
 			<artifactId>spring-security-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>runtime</scope>
+		</dependency>
 	</dependencies>
 
 	<build>

polling-app-server/src/main/java/com/example/polls/config/SecurityConfig.java

@@ -92,11 +92,14 @@ protected void configure(HttpSecurity http) throws Exception {
                         .permitAll()
                     .antMatchers(HttpMethod.GET, "/api/polls/**", "/api/users/**")
                         .permitAll()
+                    .antMatchers("/h2-console/**")
+                    .permitAll()
                     .anyRequest()
                         .authenticated();
 
         // Add our custom JWT security filter
         http.addFilterBefore(jwtAuthenticationFilter(), UsernamePasswordAuthenticationFilter.class);
-
+        // Allow H2-console
+        http.headers().frameOptions().sameOrigin();
     }
 }

polling-app-server/src/main/resources/application.properties

@@ -3,10 +3,11 @@ server.port= 8080
 server.compression.enabled=true
 
 ## Spring DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
-spring.datasource.url= jdbc:mysql://localhost:3306/polling_app?useSSL=false&serverTimezone=UTC&useLegacyDatetimeCode=false
-spring.datasource.username= root
-spring.datasource.password= callicoder
-
+# spring.datasource.url= jdbc:mysql://localhost:3306/polling_app?useSSL=false&serverTimezone=UTC&useLegacyDatetimeCode=false
+# spring.datasource.username= root
+# spring.datasource.password= callicoder
+# Enabling H2 Console
+spring.h2.console.enabled=true
 
 ## Hibernate Properties
 # The SQL dialect makes Hibernate generate better SQL for the chosen database
@@ -18,6 +19,7 @@ logging.level.org.hibernate.SQL= DEBUG
 
 # Initialize the datasource with available DDL and DML scripts
 spring.datasource.initialization-mode=always
+#spring.datasource.data=classpath:/db/migration/V1__schema.sql,classpath:/db/migration/V2__default_roles.sql
 
 ## Jackson Properties
 spring.jackson.serialization.WRITE_DATES_AS_TIMESTAMPS= false

polling-app-server/src/main/resources/data.sql

@@ -1,2 +1,4 @@
-INSERT IGNORE INTO roles(name) VALUES('ROLE_USER');
-INSERT IGNORE INTO roles(name) VALUES('ROLE_ADMIN');
+--INSERT IGNORE INTO roles(name) VALUES('ROLE_USER');
+--INSERT IGNORE INTO roles(name) VALUES('ROLE_ADMIN');
+INSERT INTO roles(name) VALUES('ROLE_USER');
+INSERT INTO roles(name) VALUES('ROLE_ADMIN');

polling-app-server/src/main/resources/db/migration/V1__schema.sql

@@ -1,3 +1,4 @@
+--DROP TABLE IF EXISTS `users`;
 CREATE TABLE `users` (
   `id` bigint(20) NOT NULL AUTO_INCREMENT,
   `name` varchar(40) NOT NULL,
@@ -11,25 +12,25 @@ CREATE TABLE `users` (
   UNIQUE KEY `uk_users_email` (`email`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
-
+--DROP TABLE IF EXISTS `roles`;
 CREATE TABLE `roles` (
   `id` bigint(20) NOT NULL AUTO_INCREMENT,
   `name` varchar(60) NOT NULL,
   PRIMARY KEY (`id`),
   UNIQUE KEY `uk_roles_name` (`name`)
 ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
 
-
+--DROP TABLE IF EXISTS `user_roles`;
 CREATE TABLE `user_roles` (
   `user_id` bigint(20) NOT NULL,
   `role_id` bigint(20) NOT NULL,
   PRIMARY KEY (`user_id`,`role_id`),
-  KEY `fk_user_roles_role_id` (`role_id`),
+--  KEY `fk_user_roles_role_id` (`role_id`),
   CONSTRAINT `fk_user_roles_role_id` FOREIGN KEY (`role_id`) REFERENCES `roles` (`id`),
   CONSTRAINT `fk_user_roles_user_id` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
-
+--DROP TABLE IF EXISTS `polls`;
 CREATE TABLE `polls` (
   `id` bigint(20) NOT NULL AUTO_INCREMENT,
   `question` varchar(140) NOT NULL,
@@ -41,17 +42,17 @@ CREATE TABLE `polls` (
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
-
+--DROP TABLE IF EXISTS `choices`;
 CREATE TABLE `choices` (
   `id` bigint(20) NOT NULL AUTO_INCREMENT,
   `text` varchar(40) NOT NULL,
   `poll_id` bigint(20) NOT NULL,
   PRIMARY KEY (`id`),
-  KEY `fk_choices_poll_id` (`poll_id`),
+--  KEY `fk_choices_poll_id` (`poll_id`),
   CONSTRAINT `fk_choices_poll_id` FOREIGN KEY (`poll_id`) REFERENCES `polls` (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
-
+--DROP TABLE IF EXISTS `votes`;
 CREATE TABLE `votes` (
   `id` bigint(20) NOT NULL AUTO_INCREMENT,
   `user_id` bigint(20) NOT NULL,
@@ -60,9 +61,9 @@ CREATE TABLE `votes` (
   `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
   `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY (`id`),
-  KEY `fk_votes_user_id` (`user_id`),
-  KEY `fk_votes_poll_id` (`poll_id`),
-  KEY `fk_votes_choice_id` (`choice_id`),
+--  KEY `fk_votes_user_id` (`user_id`),
+--  KEY `fk_votes_poll_id` (`poll_id`),
+--  KEY `fk_votes_choice_id` (`choice_id`),
   CONSTRAINT `fk_votes_user_id` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`),
   CONSTRAINT `fk_votes_poll_id` FOREIGN KEY (`poll_id`) REFERENCES `polls` (`id`),
   CONSTRAINT `fk_votes_choice_id` FOREIGN KEY (`choice_id`) REFERENCES `choices` (`id`)

polling-app-server/src/main/resources/db/migration/V2__default_roles.sql

@@ -1,2 +1,4 @@
-INSERT IGNORE INTO roles(name) VALUES('ROLE_USER');
-INSERT IGNORE INTO roles(name) VALUES('ROLE_ADMIN');
+--INSERT IGNORE INTO roles(name) VALUES('ROLE_USER');
+--INSERT IGNORE INTO roles(name) VALUES('ROLE_ADMIN');
+INSERT INTO roles(name) VALUES('ROLE_USER');
+INSERT INTO roles(name) VALUES('ROLE_ADMIN');