Environment variables

• env

• environment variables

• Using secrets in GitHub Actions

• GITHUB_* are reserved.

env:
   DEMO_FIELD: value

name: Environment Variables

on:
  push:
  workflow_dispatch:

# We can set an environment variable for
#   - the whole file (all the jobs)
#   - for a job
#   - for a single step
env:
  DEMO: "File level"

jobs:
  global:
    runs-on: ubuntu-latest
    steps:
    - name: Show the environment variable we set for the file
      run: |
        echo $DEMO

    - name: Show the environment variable we set inside this step
      env:
         DEMO: "Step level"
      run: |
        echo $DEMO

  other:
    runs-on: ubuntu-latest
    env:
       DEMO: "Job level"

    steps:
    - name: Show job level variable
      run: |
        echo $DEMO

    - name: Show step level variable
      env:
         DEMO: "Step level"
      run: |
        echo $DEMO

  all:
    runs-on: ubuntu-latest
    steps:
    - name: Show all the environment variables set by GitHub Actions
      run: printenv | sort

repository