docker-actions-demo

Build a Docker image with GitHub actions

Pre-requisites

Create your GitHub account
Create your Docker Hub account

Steps

1. Fork this repo

Click the 'Fork' button at the right corner of the screen and confirm by clicking 'Create Fork'. This will create a new repo in your account with the content of this one.

2. Create a Docker Hub repo

Make sure you keep this repo as public.

3. Add your Docker Hub credentials to GitHub Secrets

You should have your Docker Hub username and password.

In your forked repo, click the 'Settings' tab at the top.
Under 'security', you'll see the 'Secrets' section, expand it and hit 'Actions'
Create two new repository secrets by clicking the 'New repository secret' button:
- name one as DOCKER_USERNAME and assign its value to your Docker Hub username (not your email);
- name the other as DOCKER_PASSWORD and assign its value to your Docker Hub password.

4. Customize the image and publish it to your Docker Hub account

This repo has a GitHub action configured so every time you push a new commit to the main branch, an image is pushed to your Docker Hub 'actions-demo' repo. To make sure it works,

in your browser go to the app.py file of this repo
click on the pencil icon to edit the file
change the values of the vars name and os with your name and the os you are using, respectively.
click on the green button at the bottom, 'Commit changes'
go to the 'Actions' tab, you should see an action being triggered and successfully completed.