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Spring Boot in Practice

This project can be used as a starter for spring boot api service development, it is also a reference implementation of Clean Architecture. This api service can be used as the backend api service for this flutter app Flutter in Practice. There is also an article Spring Boot API 服务开发指南 for learning this project.


  1. mybatis Using MyBatis to implement DAO(Data Access Object)
  2. mybatis-plus Using MyBatis-Plus to implement DAO(Data Access Object)

Dependent frameworks and packages

  1. Spring Boot Web framework and server
  2. Spring Data JPA Access database
  3. Querydsl JPA Type safe dynamic sql builder
  4. MyBatis SQL Mapping Framework
  5. MyBatis-Plus An powerful enhanced toolkit of MyBatis for simplify development
  6. Spring Data Redis Cache data
  7. Spring Security Authenticate and authrorize
  8. Spring Session Manage session
  9. Flyway Database migration
  10. Swagger Api documentation



Path Method Description
/auth/login POST Login
/auth/logout GET Logout
/auth/logged GET Get logged user
/user/register POST Register
/user/modify POST Modify logged user
/user/info GET Get user info
/user/follow POST Follow user
/user/unfollow POST Unfollow user
/user/following GET Following users of someone
/user/follower GET Fans of some user
/user/sendMobileVerifyCode POST Send mobile verify code
/post/publish POST Publish post
/post/delete POST Delete post
/post/info GET Get post info
/post/published GET Get published posts of some user
/post/like POST Like post
/post/unlike POST Unlike post
/post/liked GET Liked posts of some user
/post/following GET Posts of following users of someone
/file/upload POST Upload file
/file/info GET Get file meta info

This project uses Swagger to auto generate api documentation. After started the api service, you can browse all apis at http://localhost:8080/swagger-ui.html.

How to run

This project need java v11+.

By local environment

Clone repository

git clone && cd spring-boot-in-practice

Prepare mysql and redis service

Install mysql and redis server, and start them. After mysql started, create a database for this project, and a user to access this database.

CREATE USER 'sbip'@'%' IDENTIFIED BY '123456';
GRANT ALL PRIVILEGES ON `sbip`.* TO 'sbip'@'%';

Configure application

Change configs in src/main/resources/application.yml as your need, especially mysql, redis and path related configs. You can also change configs by environment variables, you need add SBIP_ prefix to each config you want to change. You should make sure the directories you configured is existing.

Start server

./mvnw spring-boot:run

The running main class is net.jaggerwang.sbip.adapter.api.Application. When first start server, it will auto create tables, we use flyway to migrate database changes.

After started, the api service's endpoint is http://localhost:8080/.

By docker compose

You need install Docker and Docker Compose at first.

Configure compose

Change the content of docker-compose.yml as your need, especially the host path of mounted volumes.

Start all services

docker-compose up -d

It will start server, mysql and redis services. If you need to stop and remove all services, you can execute command docker-compose down. The container port 8080 is mapping to the same port on local host, so the endpoint of api service is same as previous.

When first start mysql, it will auto create a database sbip and a user sbip with password 123456 to access this database. The password of root user is also 123456.

How to test

By default it will not run any tests when run maven test or package task. You can specify corresponding system property to enable each test.

By local environment

Test repositories

./mvnw -Dtest.dao.enabled=true test

Test usecases

./mvnw -Dtest.usecase.enabled=true test

Usecase tests are unit tests, it not dependent on outside mysql or redis service.

Repository tests are integration tests, but it use an embedded H2 database, so there is no need to start a mysql service.

Test apis

./mvnw -Dtest.api.enabled=true test

Api tests are integration tests, it do need mysql and redis service. You can config the services for testing in application-test.yml.

Be careful, api integration tests will init and clean data in database, do not connect to the real using database.

By docker compose

To reduce the work of preparing test environment, especilly api integration tests, we can use docker container to run tests. You can use the following commands to run corresponding tests in docker container.

docker-compose -p spring-boot-in-practice-usecase-test -f docker-compose.usecase-test.yml up
docker-compose -p spring-boot-in-practice-repository-test -f docker-compose.repository-test.yml up
docker-compose -p spring-boot-in-practice-api-test -f docker-compose.api-test.yml up

After running tests, you can run the following commands to get the corresponding test result. The result of 0 means success, others means failure.

docker inspect spring-boot-in-practice-usecase-test_server_1 --format='{{.State.ExitCode}}'
docker inspect spring-boot-in-practice-repository-test_server_1 --format='{{.State.ExitCode}}'
docker inspect spring-boot-in-practice-api-test_server_1 --format='{{.State.ExitCode}}'


A starter project for spring boot api service.






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