Bootique.io: a faster, simpler Java platform

In our choice of application platforms in the Java community, we seem to be ready to sacrifice elegance for convenience and are content with slow startup times, bloated jars and “magical” annotations. The Bootique project (https://bootique.io) strives to push the envelope against this trend, and give both elegance and convenience. It is a faster, simpler, lightweight app platform with a minimal “weirdness factor”, and yet with rich functionality including dependency injection, interoperable modules, centralized configuration, built-in CLI and more.

Bootique can be used for all kinds of apps: web services, scheduled jobs, DB migrations, serverless, command line tools, etc. This presentation will show how all these pieces fit together and will do some SpringBoot comparisons.

Transcript

1. Bootique.io a faster, simpler Java platform by Andrus Adamchik @andrus.adamchik.org
2. About me...
3. Founder of ObjectStyle a bespoke software dev shop
4. Open Source Projects
5. Boot first, ask questions later
6. Dude, where is my "main"? from Java "containers" to runnable jars
7. ... surprises everywhere 🙃 • Code magic: forget APIs, learn annotations • Classpath magic: inadvertently activating features • Build magic: without SB “dependency management”, transitive dependencies are all wrong • Con fi g magic: myriad meshed together con fi g options • ... and yes, slow startups
8. Should we do it ourselves? 🤔
9. Demo: Bootique app
10. An engine that: 1. loads object creation "recipes" from Modules 2. loads con fi guration 3. creates objects in a shared "space" (BQRuntime) 4. executes a command What does Bootique do?
11. "Magic" lives in modules (and in tests), everything else is navigable via API 70% less magic ... and fairly little boilerplate
12. Modules Learn what modules are available, and you can fi nd their objects
13. Extend modules Extend modules via explicit API
14. Discover modules An explicit hint avoids the performance penalty of a full classpath scan META-INF/services/io.bootique.BQModule
15. Standard Modules jobs SimpleJavaMail MVC
16. CLI causes and effects $ java -jar my.jar --server io.bootique.jetty.command.ServerCommand POSIX CLI is nice as is, but also directly linked to "command" classes
17. CLI helps devs and ops -h is the default command
18. Structured config Can merge, can not script $MY_VAR --config=my.yml -Dbq.a.b=c {"a":{"b":"c"}} addConfig("classpath:my.yml")
19. Applying config Also done in a module
20. Performance - Startup Time Bootique SpringBoot time 1.3s MacBook Pro 2021 M1, 16GB RAM, OpenJDK Temurin-21, https://github.com/andrus/di-comparison 0.7s 0.74s 0.16s empty app REST app (BQ,Jetty,Jersey vs SB,Jetty,spring-web)
21. Performance - Jar Size Bootique SpringBoot file size 19.6MB MacBook Pro 2021 M1, 16GB RAM, OpenJDK Temurin-21, https://github.com/andrus/di-comparison 11.6MB 9.9MB 2.8MB empty app REST app (BQ,Jetty,Jersey vs SB,Jetty,spring-web)
22. Performance - Memory Use Bootique SpringBoot heap size 12MB MacBook Pro 2021 M1, 16GB RAM, OpenJDK Temurin-21, https://github.com/andrus/di-comparison 8.5MB 6MB 1.5MB empty app REST app (BQ,Jetty,Jersey vs SB,Jetty,spring-web)
23. @BootiqueProject https://bootique.io/ https://github.com/bootique/bootique Questions?