Ephemeral Environments for your Spring Boot E2E Tests

1. Ephemeral
environments for
your Spring Boot
E2E tests
João Paulo Gomes
@john_owl
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8 February 2024

2. What is
Ephemeral?
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3. lasting for a very short time.
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4. Who am I
João Paulo Gomes
@john_owl
• Java
• Kotlin

5. How many Kotlin
developers?
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6. Photo by ThisisEngineering RAEng on Unsplash
Why ephemeral?

7. Service
API Gateway Postgres
Redis
Use case #1
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8. Service
API Gateway Postgres
Redis
Redis
Use case #1
Photo by ThisisEngineering RAEng on Unsplash

9. Local environment
Service
JUnit & Mockito
@SpringBootTest
The usual flow from local to prod
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10. Service
Local environment Shared Dev environment
Service
Manual testing
JUnit & Mockito
@SpringBootTest
Postgres
Redis
The usual flow from local to prod
Photo by ThisisEngineering RAEng on Unsplash

11. Service
Local environment Shared Dev environment
Service
Manual testing
Shared Staging environment
Service
QA testing
JUnit & Mockito
@SpringBootTest
Postgres
Redis Postgres
Redis
The usual flow from local to prod
Photo by ThisisEngineering RAEng on Unsplash

12. Service
Local environment Shared Dev
environment
Service
Manual testing
Shared Staging
environment
Service
QA testing
Production environment
Service
JUnit & Mockito
@SpringBootTest
Canary Release
Postgres
Redis
Postgres
Redis
Postgres
Redis
The usual flow from local to prod
Photo by ThisisEngineering RAEng on Unsplash

13. Shared Dev
environment
Service
Manual testing
Postgres
Redis
What are the issues?
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14. What are the issues?
Shared Dev environment
What are the issues?
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15. What are the issues?
What are the issues?
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16. What are the issues?
Service
Local environment Shared Dev
environment
Service
Manual testing
Shared Staging
environment
Service
QA testing
Production environment
Service
JUnit & Mockito
@SpringBootTest
Canary Release
Postgres
Redis Postgres
Redis Postgres
Redis
Photo by ThisisEngineering RAEng on Unsplash

17. Let’s start
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18. Service
API Gateway Postgres
Redis
Use case #1
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19. Our goals
Service
Local environment Shared Dev
environment
Service
Manual testing
Shared Staging
environment
Service
QA testing
Production environment
Service
JUnit & Mockito
@SpringBootTest
Canary Release
Postgres
Redis Postgres
Redis Postgres
Redis

20. Improve reliability
Local environment
Service
JUnit & Mockito
@SpringBootTest
Postgres
Redis
End to End Tests

21. Demo

22. Service
API Gateway Postgres
Redis
Use case #2

23. Service
API Gateway Postgres
Redis
Third-party
service
Use case #3

24. Service
API Gateway Postgres
Redis
Third-party
service
AWS
SQS
Use case #4

25. End-to-end or
integration?
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26. To summarize
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27. Shift
left
testing
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28. Take control of your
dependencies
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29. Spring
Boot
Docker
Compose
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30. Reduce risks on
production
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31. Sh*t will happen,
recover fast.
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32. Thank you!
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@john_owl
How to run end-to-end tests in a
Maven Multi-Module project?
Ephemeral environments for
your Spring Boot E2E tests