En esta sesión impartida el 18 de Abril de 2020 compartimos con el JUG de Bolivia lo fácil que es contribuir al Opensource. Utilizamos como ejemplo dos proyecto Java: Apache TomEE y Eclipse MicroProfile.

1. @CesarHgt @tomitribe
Bolívia JUG
César Hernández
It’s Easy! Contributing
to Open Source

2. @CesarHgt @tomitribe
Bolívia JUG
Who am I?
César Hernández
● Senior Software Engineer at Tomitribe
● Java Champion & Oracle Groundbreaker
Ambassador
● Duke’s Choice Award 2016, 2017
● Oracle Certified Professional
● +10 experience with Java Enterprise
● Apache TomEE, Eclipse Jakarta Committer,
Contributor for Microprofile.
● Open Source advocate, teacher and public speaker

3. @CesarHgt @tomitribe
Bolívia JUG
What is Open Source?
https://opensource.com/resources/what-open-source
“The term "open source" refers to something people can
modify and share because its design is publicly accessible.”
“Open source software is software with source code that
anyone can inspect, modify, and enhance.”

4. @CesarHgt @tomitribe
Bolívia JUG
Why you should be involved in open source?
● Become a part of a community
○ New friends
○ Networking
○ Recognition
● Skill Enhancement
○ Improving your programming skills
○ Understanding software architecture
○ Deeper knowledge of a specific software domain
○ Experience working on distributed teams

5. @CesarHgt @tomitribe
Bolívia JUG
Why you should be involved in open source
● Experience working with with many different kinds of
people
○ Resume and Portfolio Enhancement
○ Reference open source in resume
○ Use GitHub or other repos to show your work
○ Business opportunities (for example: support offering)

6. @CesarHgt @tomitribe
Bolívia JUG
Looking for an expert?

7. @CesarHgt @tomitribe
Bolívia JUG
How open source works?
● Commercial Interests
○ Donating company
○ Sponsor
○ Open Source Support
● Community
○ Types of people involved
○ Social norms

8. @CesarHgt @tomitribe
Bolívia JUG
How open source works?
● Governance
○ Who is in charge?
http://pngimg.com/download/30433

9. @CesarHgt @tomitribe
Bolívia JUG
How open source works?
● Governance
○ Who is in charge?
http://pngimg.com/download/30404

10. @CesarHgt @tomitribe
Bolívia JUG
How open source works?
● Governance
○ What are committers?
https://simpsons.fandom.com/wiki/Benjamin_(nerd)?file=Benjamin,_Doug,_and_Gary.gif

11. @CesarHgt @tomitribe
Bolívia JUG
How open source works?
● Governance
○ How are decisions made?
https://en.wikipedia.org/wiki/File:All_Simpsons_characters.jpg

12. @CesarHgt @tomitribe
Bolívia JUG
How open source works?
● Governance
○ Types of Licenses
82Approved
Licenses
https://choosealicense.com/

13. @CesarHgt @tomitribe
Bolívia JUG
How open source works?
● Governance
○ Types of Licenses
{
MIT
APACHE 2.0
GNU GPL v3.0
Most common
licenses on GitHub
https://choosealicense.com/

14. @CesarHgt @tomitribe
Bolívia JUG
The tools of open source
● GIT and the Forking Workflow
● JIRA and Bugzilla
● Maven and Build Automation tools
● Project Mailing lists
○ user@ vs dev@
● Instant Messaging / Chat
○ IRC
○ Slack
○ Gitter

15. @CesarHgt @tomitribe
Bolívia JUG
The tools of open source
● Video Telecommunication tools
○ Zoom,
○ Hangouts,
○ Skype

16. @CesarHgt @tomitribe
Bolívia JUG
Choosing an open source project
● Programming Language
● Technology Domain
● Leadership and Governance
● Community culture
○ Friendly
○ Fast and Furious
○ Experts only
○ Nasty

17. @CesarHgt @tomitribe
Bolívia JUG
The types of contributions
● Code
● Documentation
● Workshops
● Testing
● Continuous Integration
● Moderator on communication channels
● “ any substantive action that generates content”
https://octoverse.github.com/

18. @CesarHgt @tomitribe
Bolívia JUG
Apache TomEE

19. @CesarHgt @tomitribe
Bolívia JUG
Apache TomEE
● JavaEE certified Apache Tomcat version
● Jakarta EE8 (formerly Java EE8)
● MicroProfile compatible
● Build from Apache components
● Footprint: 30MB zip, 100~MB memory

20. @CesarHgt @tomitribe
Bolívia JUG
300+
Projects
730+
Members
7k+
Committers
1.058B+
Lines of code
20
Years
All volunteer
community
https://files-dist.s3.amazonaws.com/AnnualReports/FY2019+Annual+Report.pdf

21. @CesarHgt @tomitribe
Bolívia JUG
https://files-dist.s3.amazonaws.com/AnnualReports/FY2019+Annual+Report.pdf

22. @CesarHgt @tomitribe
Bolívia JUG
The Apache way
USER
ContributorContributor
Committer Committer
PMC Chair
BOARD
USER
PMC Chair

23. @CesarHgt @tomitribe
Bolívia JUG
Tooling
● dev and user mailing lists
● JIRA
● Slack
● GITHUB mirror from SVN
○ Pull request model for interaction
tomee.apache.org/community

24. @CesarHgt @tomitribe
Bolívia JUG
Technical prerequisites
● Java SE
● Maven
● Git
● Jakarta EE (Java EE)
● Junit
● Arquillian
● ...

25. @CesarHgt @tomitribe
Bolívia JUG
Contribution types
● Documentation
● Website fixes
● Code tests
● Code examples
● Coverage increase for unit, integration,
performance and static tests
● New features
● Dependencies updates
● Workshops

26. @CesarHgt @tomitribe
Bolívia JUG
https://www.tomitribe.com/blog/its-easy-requesting-and-discovering-jira-tickets-in-tomee/
https://www.tomitribe.com/blog/its-easy-get-the-tomee-source-code-and-join-the-community/

27. @CesarHgt @tomitribe
Bolívia JUG
TomEE Hack Day

28. @CesarHgt @tomitribe
Bolívia JUG
https://www.tomitribe.com/blog/tomee-for-every-day/
TomEE for the Day!

29. @CesarHgt @tomitribe
Bolívia JUG

30. @CesarHgt @tomitribe
Bolívia JUG
What is Eclipse MicroProfile?
● http://microprofile.io
● Enterprise Java for MicroServices
● Open Source (Eclipse)
● Implemented by different vendors.
● Application portability across runtimes.

31. @CesarHgt @tomitribe
Bolívia JUG
MicroProfile 3.3
MicroProfile 3.3
JAX-RS 2.1JSON-P 1.1CDI 2.0
Config 1.4
Fault
Tolerance 2.1
JWT
Propagation
1.1
Health 2.2Metrics 2.3
Open
Tracing 1.3
Open API 1.1
= Updated
= No change from last release (MicroProfile 3.3)
= New
Rest Client
1.4
JSON-B 1.0

32. @CesarHgt @tomitribe
Bolívia JUG
Eclipse Foundation
https://www.eclipse.org/membership/documents/eclipse-foundation-overview.pdf
360+
Projects
275+
Members
1550+
Committers
195M+
Lines of code
15
Years
30
Members

33. @CesarHgt @tomitribe
Bolívia JUG
Eclipse Foundation
https://www.eclipse.org/membership/documents/eclipse-foundation-overview.pdf

34. @CesarHgt @tomitribe
Bolívia JUG
Governance in Eclipse MicroProfile
● Who is in charge? Eclipse
foundation -> top level project
● What are committers? by merit
● How are decisions made?
● Types of licenses

35. @CesarHgt @tomitribe
Bolívia JUG
Tooling
● Google
○ groups
○ Calendar
● Github
○ Issues
○ Wiki
○ Release notes
● Gitter
● Zoom biweekly community
calls

36. @CesarHgt @tomitribe
Bolívia JUG
Technical prerequisites
● Java
● Maven
● Git
● Junit
● ...

37. @CesarHgt @tomitribe
Bolívia JUG
Eclipse MicroProfile Community

38. @CesarHgt @tomitribe
Bolívia JUG
Thank you
César Hernández
It’s Easy! Contributing to Open Source