React-SpringBoot

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Demo: Movie Helper

Desktop display

Recently, I improved the performance from 50 to 90.

Mobile display

Git clone repo

Back-end project: React-SpringBoot Front-end project: movie-helper-front

# cd React-SpringBoot/
git clone https://github.com/zzh1991/movie-helper-front.git

🚀 Usage

Support Java 17 and Spring Boot 3

# add VM options
--add-opens java.base/java.lang.invoke=ALL-UNNAMED

Start application

configure database

configure your database name (an empty database), user, password in src/main/resources/application.yml

You could use PostgreSQL(default configuration) or MySQL. Also, you could use H2 database.

MySQL configuration

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/movie?allowPublicKeyRetrieval=true&useConfigs=maxPerformance&useSSL=false&serverTimezone=UTC&characterEncoding=utf8
    password: mysql
    username: root
    initialization-mode: never

  flyway:
    enabled: true
    baseline-on-migrate: true
    validate-on-migrate: false
    locations: classpath:db/migration/mysql

remove postgres dependency and add mysql dependency in pom.xml

<!-- remove -->
<dependency>
    <groupId>org.postgresql</groupId>
    <artifactId>postgresql</artifactId>
</dependency>

<!-- add -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
</dependency>

Configure Front

• cd movie-helper-front
• npm install: install dependency
• prepare front static files
  • dev mode
    • npm run dev
  • Deploy mode
    • npm run deploy
• start the web app in IDE
• open browser
  • dev mode: go to http://localhost:3000
  • deploy mode: go to http://localhost:8080

Update front end

cd movie-helper-front
git fetch origin master
git rebase origin/master

Java doc

mvn javadoc:javadoc

open target/site/apidocs/index.html by browser

Reference

• recent movies
• top movies

Todo

Improvement

• sync recent / top movies
• latest sync time
• search by movie name
• database upgrade
• schedule task
• java doc
• lazy load
• use timestamp with time zone

Dependency

Front end

Backend

• Spring Boot 3
• PostgresQL
• Guava
• Swagger
• Flyway
• Prometheus
• GraphQL
• Mybatis
• Mybatis-plus

Endpoints

Swagger UI

• http://localhost:8080/swagger-ui/index.html

Monitoring Endpoint

• http://localhost:8080/actuator
• http://localhost:8080/actuator/prometheus

GraphiQL Endpoint

• http://localhost:8080/graphiql

Configuration

Hot deploy for Intellij IDEA

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-devtools</artifactId>
    <optional>true</optional>
</dependency>

• setting -> compiler -> make project automatically
• ctrl + shift + a -> registry -> auto make enabled

Active dev profile

1. edit run/debug configuration
2. add environment variables: spring.profiles.active=dev

Dependency Version Management

<plugin>
    <groupId>org.codehaus.mojo</groupId>
    <artifactId>versions-maven-plugin</artifactId>
</plugin>

Display update

mvn versions:display-dependency-updates

Update dependency

mvn versions:use-next-releases

mvn versions:use-latest-releases

Problems

Migrate flyway 3.x to 5.x issue

firstly should migrate to 4.2.0 and then 5.x

H2 database conflict with druid?

Mybatis timestamptz could not convert to timestamp?

Refer to mybatis/mybatis-3#1644

1. copy LocalDateTimeTypeHandler.java into project
2. configure LocalDateTimeTypeHandler bean

Author

👤 Zhihao Zhang

• Github: @zzh1991

Show your support

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📝 License

Copyright © 2024 zzh1991.
This project is MIT licensed.