The Dockerfile is used to build the container that runs your Action. In this video, use Dockerfile directives to set the base image for the container along with the tools you need for your custom Action.
- [Narrator] Now that we have an objective … for our custom action, we need … a repository and a Dockerfile. … I'm working in a brand new, public GitHub repo … that I've cloned to my local system. … I've already coded the Dockerfile, … so let's take a look at it. … If you're following along the files I'm working with … are available in the exercise files. … At the top of the file is the FROM directive. … This sets Alpine Linux as the base image for our container. … After that, we install the tools … we'll need to make our action work … with the RUN command. … Alpine uses the apk command to install packages. … The arguments for the apk command … list the packages we need to install. … We're installing four tools for this action, … bash, … httpie, … and jq. … We'll use bash as the interpreter for our script. … And we'll need httpie to interact … with the GitHub API. … We'll use jq to work with data in the JSON format. … I've also included some calls to the which command. … So we can see where the tools get installed. …
Author
Michael Jenkins
Released
5/28/2019- Creating an action
- Creating a workflow
- Adding actions to a workflow
- Using an action from a repository
- Using environment variables
- Building custom actions
- Use cases for actions and workflows
Skill Level Beginner
Duration
Views
-
Introduction
-
What you should know2m 10s
-
Exercise files1m 49s
-
1. Your first Action
-
Your first Action4m 2s
-
Action attributes3m 50s
-
-
2. Connecting Actions with Workflows
-
Create a workflow2m 56s
-
Add actions to a workflow2m 52s
-
-
3. Using Actions
-
Using environment variables2m 53s
-
Using secrets2m 49s
-
4. Building Custom Actions
-
Plan a custom action4m 29s
-
Your custom action objective1m 25s
-
Dockerfile review6m 2s
-
Add a Dockerfile2m 45s
-
Add an entry-point script2m 54s
-
Test an action locally4m 43s
-
Use labels in a Dockerfile3m 10s
-
Deploy a custom action4m 5s
-
-
5. Use Cases
-
Continuous integration4m 37s
-
Pull requests3m 58s
-
Deploying a web application3m 22s
-
Conclusion
-
Next steps28s
-
Take notes with your new membership!
Type in the entry box, then click Enter to save your note.
Press on any video thumbnail to jump immediately to the timecode shown.
Notes are saved with you account but can also be exported as plain text, MS Word, PDF, Google Doc, or Evernote.
Share this video
Embed this video
Video: Add a Dockerfile