# flyway-demo
## Getting started
To make it easy for you to get started with GitLab, here's a list of recommended next steps.
Already a pro? Just edit this README.md and make it your own. Want to make it easy? [Use the template at the bottom](#editing-this-readme)!
## Add your files
- [ ] [Create](https://docs.gitlab.com/ee/user/project/repository/web_editor.html#create-a-file) or [upload](https://docs.gitlab.com/ee/user/project/repository/web_editor.html#upload-a-file) files
- [ ] [Add files using the command line](https://docs.gitlab.com/ee/gitlab-basics/add-file.html#add-a-file-using-the-command-line) or push an existing Git repository with the following command:
```
cd existing_repo
git remote add origin http://gitlab.irootech.com/jialiang.xiao/flyway-demo.git
git branch -M main
git push -uf origin main
```
## Integrate with your tools
- [ ] [Set up project integrations](http://gitlab.irootech.com/jialiang.xiao/flyway-demo/-/settings/integrations)
## Collaborate with your team
- [ ] [Invite team members and collaborators](https://docs.gitlab.com/ee/user/project/members/)
- [ ] [Create a new merge request](https://docs.gitlab.com/ee/user/project/merge_requests/creating_merge_requests.html)
- [ ] [Automatically close issues from merge requests](https://docs.gitlab.com/ee/user/project/issues/managing_issues.html#closing-issues-automatically)
- [ ] [Enable merge request approvals](https://docs.gitlab.com/ee/user/project/merge_requests/approvals/)
- [ ] [Automatically merge when pipeline succeeds](https://docs.gitlab.com/ee/user/project/merge_requests/merge_when_pipeline_succeeds.html)
## Test and Deploy
Use the built-in continuous integration in GitLab.
- [ ] [Get started with GitLab CI/CD](https://docs.gitlab.com/ee/ci/quick_start/index.html)
- [ ] [Analyze your code for known vulnerabilities with Static Application Security Testing(SAST)](https://docs.gitlab.com/ee/user/application_security/sast/)
- [ ] [Deploy to Kubernetes, Amazon EC2, or Amazon ECS using Auto Deploy](https://docs.gitlab.com/ee/topics/autodevops/requirements.html)
- [ ] [Use pull-based deployments for improved Kubernetes management](https://docs.gitlab.com/ee/user/clusters/agent/)
- [ ] [Set up protected environments](https://docs.gitlab.com/ee/ci/environments/protected_environments.html)
***
# Editing this README
When you're ready to make this README your own, just edit this file and use the handy template below (or feel free to structure it however you want - this is just a starting point!). Thank you to [makeareadme.com](https://www.makeareadme.com/) for this template.
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分享微服务合并之多数据源整合(Dynamic Datasource)和Flyway对多数据源进行数据库脚本管理DEMO
需积分: 0 96 浏览量
更新于2023-05-09
收藏 327KB ZIP 举报
在现代企业级应用开发中,微服务架构已经成为主流,每个微服务可能对应着不同的数据库,因此,多数据源整合及数据库脚本管理成为了至关重要的环节。本文将详细讲解如何使用Dynamic Datasource进行多数据源整合,并利用Flyway对这些数据源进行数据库脚本管理,以实现高效、灵活的应用开发和维护。
Dynamic Datasource是一种动态数据源解决方案,它允许在运行时动态切换或组合多个数据源。在微服务架构中,每个服务可能有自己的数据库,Dynamic Datasource能够帮助我们将这些独立的数据源整合到一个统一的访问层,从而简化代码并提高系统的可扩展性。其主要特点包括:
1. 动态切换:在运行时根据业务需求切换数据源,支持多种数据源间的平滑切换。
2. 支持事务:在多数据源环境下,仍然能保证事务的一致性和完整性。
3. 容错性:当某个数据源出现问题时,可以自动切换到备用数据源,确保服务不中断。
Flyway则是一款优秀的数据库版本管理工具,特别适合于多数据源环境。它通过SQL脚本来管理数据库结构的变化,使得数据库版本控制变得简单易行。Flyway的主要功能包括:
1. 版本控制:通过版本号管理数据库脚本,确保每个数据库版本都有对应的升级和回滚脚本。
2. 自动迁移:启动应用时,Flyway会自动检查当前数据库版本,并执行必要的迁移操作。
3. 脚本组织:支持将脚本按照特定的命名规则分类,如初始化脚本、迁移脚本等。
4. 多平台支持:兼容多种数据库系统,如MySQL、Oracle、PostgreSQL等。
在实际应用中,我们可以结合Dynamic Datasource和Flyway来实现以下步骤:
1. 配置Dynamic Datasource:定义多个数据源,包括主数据源和其他辅助数据源,配置数据源的相关属性如URL、用户名、密码等。
2. 创建Flyway配置:指定数据库连接信息,设置Flyway的工作目录,以及迁移脚本的命名规则。
3. 编写迁移脚本:根据业务需求,为每个数据源编写相应的初始化和更新脚本。
4. 集成Dynamic Datasource与Flyway:在应用启动时,先由Flyway执行数据库迁移,然后使用Dynamic Datasource进行数据源的动态管理。
5. 测试与部署:确保在不同数据源间切换时,应用程序的正常运行,以及数据库脚本的正确执行。
在`flyway-demo1`这个示例中,可能包含了使用Dynamic Datasource和Flyway的配置文件、数据库迁移脚本,以及相关的测试代码。通过学习这个DEMO,开发者可以更好地理解和掌握这两个工具的使用方法,从而在实际项目中实现高效、可靠的多数据源管理和数据库脚本管理。
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