"Evolutionary Database Design" is the best phrase to describe database migrations. But what do we know about database migrations using PostgreSQL containers? This session will provide you with answers and guidelines to get you started with Database DevOps practices for your organization. You will learn the aspects, methods, and strategies to build and manage your database deployments through CI/CD pipelines with open source tools like Flyway, Jenkins, and Kubernetes. You will be able to build your first database migration through a CI/CD pipeline at the end of this session.

1. MASTERY
DBA
Embracing DevOps through
database migrations with Flyway

2. Carlos Robles
Principal Consultant, DBA Mastery
Experience
Microsoft Data Platform MVP
Friend of Redgate
+10 years of experience multi-platform
Solutions architect
Community
GTSSUG – Community Leader
Speaker, author, blogger, mentor
Simple Talk, SQL Server Central & MSSQL Tips
DBA Mastery
Tips, scripts, best practices & more
MAXDOP Calculator
Azure Data Studio wait stats widget
Azure Data Studio notebooks
PerfMon for DBAs - PowerShell
@dbamastery
/croblesdba
crobles@dbamastery.com

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4. AGENDA
• Software development practices
• DevOps
• DevOps for databases
• Flyway
• Flyway in CI/CD pipelines
4
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5. Software development
practices
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6. 6
Traditional practices
UI
BL DAL
• Pros
• Simple development
• Simple deployment
• Simple testing / sharing
• Cons
• Difficult to understand / change
• Slowness / limited agility
• Poor reliability
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7. 7
Contemporary practices
• Pros
• Scalability
• Reliability / flexible
• Easy adoption of new tech
• Cons
• Difficult integration / testing
• Operational complexity
• Skill demanding
UI
Microservice Microservice
Microservice
Microservice Microservice
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8. Enter DevOps
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Dev Ops

9. 9
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What is DevOps?
•Culture
•Practices
•Tools

10. Benefits
• Speed
• Rapid delivery
• Reliability
• Scale
• Innovate mindset
• Greater customer experience
Practices
• Infrastructure as a code
• Continous integration
• Continous delivery
• Microservices
• Monitoring and logging
• Communication and collaboration
10
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DevOps

11. DevOps for databases
V1
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V2

12. 12
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13. 13
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14. • DBA + Developer collaboration
• Version control
• All changes are migrations
• Everybody gets their own database instance
• Continuous integration
14
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Evolutionary database design

15. • Unique identifier
• Migration history
• Repeatable
• Consistent
15
Database migrations
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16. Enter Flyway
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17. 17
What is Flyway?
• Open source
• Multi-platform & DBMS
• Database migrations
• Schema version
• Command line & API
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18. 18
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Folder structure

19. 19
• Migrate
• Clean
• Info
• Validate
• Baseline
• Repair
• Undo (Pro version)
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Commands

20. 20
flyway.url jdbc:<db>:<host>:<port>
flyway.user sa / postgres
flyway.password s3cr3Tp@s$
flyway.env_abc ${abc}
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Configuration file

21. 21
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SQL migrations

22. 22
How it works?
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23. 23
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24. 24
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25. 25
DEMO
Using Flyway as a container
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26. Flyway in
CI/CD pipelines
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27. Commit Trigger Build Notify Run
test
Test
results
Deliver Deploy
27
CI/CD in a nutshell
CI CD
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28. • Open source
• Automation server
• Jobs / pipelines (Jenkinsfile)
• Extensible (master / agents)
• Plugins
28
Jenkins
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29. • Open source
• Container orchestrator
• Declarative model
• Master / nodes
• Services, deployments
• Pods
29
Kubernetes
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30. 30
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31. 31
DEMO
CI/CD pipeline with Flyway
Jenkins and Kubernetes
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32. 32
Review
• DevOps + databases
• Database migrations
• Flyway
• Six commands (+1 pro)
• Command-line, SQL, Java, API
• Open source
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33. Questions?
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@dbamaster
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34. • Flyway documentation
• Flyway docs
• Other
• Docker Docs
• Jenkin Handbook
• Kubernetes Docs
• Books
• The Phoenix / Unicorn Project
• The DevOps Handbook
• Kubernetes: Up and Running
34
References
• Designing Distributed Systems
• Continuous Delivery
• Refactoring databases
• Database Reliability Engineering
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35. 35
• YouTube
• SQL Containers on Docker & Kubernetes
• SQL Server containers in Microsoft Azure
• Articles
• Redgate - Simple Talk
• SQL Server Central
• MSQL Tips
Articles and more
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36. Try Flyway for free
flywaydb.org/download/
Discuss your Database DevOps goals with us
www.red-gate.com/contact

37. @dbamastery
@dbamaster Thanks!
croblesdba
crobles@dbamastery.com
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