Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
GitHub Actions 2021-12-16
Search
sullis
December 16, 2021
Programming
0
59
GitHub Actions 2021-12-16
GitHub Actions overview
December 16, 2021
sullis
December 16, 2021
Tweet
Share
More Decks by sullis
See All by sullis
Dependency Management for Java - Seattle 2025-11-18
sullis
0
10
Dependency Management for Java - Portland - 2025-11-04
sullis
0
11
Dependency management for Java applications 2025-09-11
sullis
0
18
S3 NYC Iceberg meetup 2025-07-10
sullis
0
45
Amazon S3 Chicago 2025-06-04
sullis
0
110
Amazon S3 Boston 2025-05-07
sullis
0
68
Netty ConFoo Montreal 2025-02-27
sullis
0
110
GitHub Actions ConFoo Montreal 2025-02-26
sullis
0
78
Netty Portland Java User Group 2025-02-18
sullis
0
20
Other Decks in Programming
See All in Programming
FlutterKaigi 2025 システム裏側
yumnumm
0
1.2k
スタートアップを支える技術戦略と組織づくり
pospome
8
11k
CSC509 Lecture 11
javiergs
PRO
0
310
All(?) About Point Sets
hole
0
210
Herb to ReActionView: A New Foundation for the View Layer @ San Francisco Ruby Conference 2025
marcoroth
0
190
複数チーム並行開発下でのコード移行アプローチ ~手動 Codemod から「生成AI 活用」への進化
andpad
0
180
開発生産性が組織文化になるまでの軌跡
tonegawa07
0
190
AI駆動開発ライフサイクル(AI-DLC)のホワイトペーパーを解説
swxhariu5
0
1.4k
ソフトウェア設計の課題・原則・実践技法
masuda220
PRO
21
16k
JEP 496 と JEP 497 から学ぶ耐量子計算機暗号入門 / Learning Post-Quantum Crypto Basics from JEP 496 & 497
mackey0225
2
460
「文字列→日付」の落とし穴 〜Ruby Date.parseの意外な挙動〜
sg4k0
0
270
Feature Flags Suck! - KubeCon Atlanta 2025
phodgson
0
160
Featured
See All Featured
How GitHub (no longer) Works
holman
315
140k
The Pragmatic Product Professional
lauravandoore
36
7k
Product Roadmaps are Hard
iamctodd
PRO
55
12k
Rebuilding a faster, lazier Slack
samanthasiow
84
9.3k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
285
14k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
666
130k
Large-scale JavaScript Application Architecture
addyosmani
514
110k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.2k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
37
2.6k
Designing Experiences People Love
moore
142
24k
Navigating Team Friction
lara
190
16k
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
3
340
Transcript
GitHub Actions 2021-12-16 Sean Sullivan
Agenda GitHub Actions Core concepts Security
GITHUB ACTIONS
“GitHub Actions help you automate your software development work fl
ows” source: GitHub.com
“You can write individual tasks, called actions, and combine them
to create a custom work fl ow” source: GitHub.com
Getting started
Actions tab
Actions tab Starter Work fl ow
Work fl ow editor
Work fl ow editor
Work fl ow editor
Work fl ow editor checkout
Work fl ow editor setup-java
Work fl ow editor run: sbt test
Work fl ow editor click
Work fl ow editor click
.github/work fl ows
Actions tab
Actions tab
Actions tab
Ruby On Rails uses GitHub Actions
Ruby on Rails
Ruby on Rails
Ruby on Rails
Ruby on Rails
Redis Dropwizard Log4j Open source projects using GitHub Actions twilio-java
Guardrail Net fl ix Zuul
Core concepts
Events Actions Work fl ows
create deployment deployment_status issue created pull_request push schedule label created
(and many more) Events trigger work fl ows
Work fl ows are custom automated processes that you can
set up in your repository to build, test, package, release, or deploy source: GitHub.com
GitHub webhooks GitHub Actions work fl ows
Actions are individual tasks that you can combine to create
jobs source: GitHub.com
You can create custom Actions or use Actions provided by
the GitHub community source: GitHub.com
action.yml declares the inputs and outputs for an action source:
GitHub.com
Types of Actions: JavaScript Docker source: GitHub.com
“GitHub Actions is available with GitHub Free, GitHub Pro, GitHub
Team, and GitHub Enterprise” source: GitHub.com
What if I already have an existing CI tool enabled?
Keep your existing CI tool and enable GitHub Actions
Evaluate both CI tools running side-by-side
Actions runtime Runners Virtual Environments
Runners GitHub-hosted Self-hosted
Hosted Runners “GitHub hosts Linux and Windows runners on Standard_DS2_v2
virtual machines in Microsoft Azure with the GitHub Actions runner application installed” source: GitHub.com
Self-Hosted Runners “Self-hosted runners can be physical, virtual, container, on-premises,
or in a cloud” source: GitHub.com
Self-Hosted Runners
Self-Hosted Runners C Sharp
Virtual Environments
Ubuntu 20.04 Ubuntu 18.04 Linux support
Third party actions
AWS Actions Azure Actions Google Cloud Actions
Pulumi Actions Terraform Actions Docker Actions
https://github.com/aws-actions
None
AWS: action.yml
Security
Secrets access protected keys using the secrets context object source:
GitHub.com
Secrets source: GitHub.com
Secrets source: GitHub.com
Secrets source: GitHub.com
Secrets source: GitHub.com
Self-Hosted Runners “do not use self- hosted runners with public
repositories” source: GitHub.com
Self-Hosted Runners “Forks of your public repository can potentially run
dangerous code on your self-hosted runner machine” source: GitHub.com
Final thoughts
“CI ensures that the code that we create, as a
team, works by providing us with rapid feedback on any problems”
GitHub Actions YAML Automation Conclusion
Thank you twitter.com/tinyrobots github.com/sullis
Bonus slides
None
THE END