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
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
sullis
December 16, 2021
Programming
0
61
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
21
Dependency Management for Java - Portland - 2025-11-04
sullis
0
16
Dependency management for Java applications 2025-09-11
sullis
0
25
S3 NYC Iceberg meetup 2025-07-10
sullis
0
50
Amazon S3 Chicago 2025-06-04
sullis
0
120
Amazon S3 Boston 2025-05-07
sullis
0
93
Netty ConFoo Montreal 2025-02-27
sullis
0
130
GitHub Actions ConFoo Montreal 2025-02-26
sullis
0
93
Netty Portland Java User Group 2025-02-18
sullis
0
31
Other Decks in Programming
See All in Programming
AI Agent Tool のためのバックエンドアーキテクチャを考える #encraft
izumin5210
6
1.8k
OSSとなったswift-buildで Xcodeのビルドを差し替えられるため 自分でXcodeを直せる時代になっている ダイアモンド問題編
yimajo
3
600
360° Signals in Angular: Signal Forms with SignalStore & Resources @ngLondon 01/2026
manfredsteyer
PRO
0
110
メルカリのリーダビリティチームが取り組む、AI時代のスケーラブルな品質文化
cloverrose
2
510
16年目のピクシブ百科事典を支える最新の技術基盤 / The Modern Tech Stack Powering Pixiv Encyclopedia in its 16th Year
ahuglajbclajep
5
990
Vibe Coding - AI 驅動的軟體開發
mickyp100
0
170
【卒業研究】会話ログ分析によるユーザーごとの関心に応じた話題提案手法
momok47
0
190
ThorVG Viewer In VS Code
nors
0
760
Basic Architectures
denyspoltorak
0
660
今こそ知るべき耐量子計算機暗号(PQC)入門 / PQC: What You Need to Know Now
mackey0225
3
370
Smart Handoff/Pickup ガイド - Claude Code セッション管理
yukiigarashi
0
120
MDN Web Docs に日本語翻訳でコントリビュート
ohmori_yusuke
0
640
Featured
See All Featured
Visual Storytelling: How to be a Superhuman Communicator
reverentgeek
2
430
エンジニアに許された特別な時間の終わり
watany
106
230k
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
0
100
The Impact of AI in SEO - AI Overviews June 2024 Edition
aleyda
5
730
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4.2k
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
sarafernandez
0
110
For a Future-Friendly Web
brad_frost
182
10k
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
The AI Revolution Will Not Be Monopolized: How open-source beats economies of scale, even for LLMs
inesmontani
PRO
3
3k
Paper Plane
katiecoart
PRO
0
46k
The Art of Programming - Codeland 2020
erikaheidi
57
14k
Amusing Abliteration
ianozsvald
0
96
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