Testcontainers and Spring Boot for local development and integration testing
We can't believe it either, but in this live stream we welcome, Josh Long. Josh is a Spring Developer Advocate, Java Champion, Kotlin Google Developer Expert, author of numerous books, best-selling video trainer, open-source contributor, podcaster and YouTuber!
In this episode we looked at adding integration tests to a Spring Boot application, explored a few approaches how Testcontainers allows to manage the lifecycle of the docker dependencies, like a database, tried Testcontainers Cloud to decouple the environments where tests are run and where docker containers are run, and looked at a demo of a autoservices project. The autoservices integrates with the Spring devtools lifecycle and provides a database (or other dockerized services you need, Kafka, MongoDB, ElasticSearch, etc) using Testcontainers if the app doesn't configure any.
You can look at the prototype implementation here: https://github.com/joshlong/testconta...
If you like the idea of auto-services and would like to see it brought to life, please thumbs up and comment on the GitHub issue: https://github.com/spring-projects/sp...
If you have any feedback or ideas about how to improve it, please reach out!
Contents:
0:00 - Introductions
2:17 - What is Josh working on?
5:58 - Is Java 17 worth it?
11:00 - How Josh tests microservices
13:09 - Building a JDBC example
18:40 - Adding the first test
25:30 - Adding Testcontainers with GenericContainer
30:53 - Using Testcontainers Cloud
33:33 - Setting up correct logging levels
36:30 - Using Testcontainers jdbc url support
40:50 - Looking at Autoservices prototype for local development
48:46 - Explaing how autoservices integrate into Spring devtools
53:44 - Trying autoservices demo in action
57:55 - Final words!
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