This preview environments driver can be used to read environment variables that contain the prefix PORTER_APPLY_.

For example, to read in all the environment variables that start with PORTER_APPLY_:

---
resources:
  - name: my-os-env
    driver: os-env

​
Outputs

This driver outputs all the environment variables that start with PORTER_APPLY_. This means that if an environment variable is named PORTER_APPLY_my_secret, this driver will output a my_secret identifier:

---
resources:
  - name: my-os-env
    driver: os-env
  - name: my-deployment
    depends_on:
      - my-os-env
    source:
      name: web
    config:
      values:
        container:
          env:
            normal:
              MY_SECRET_VALUE: "{ .my-os-env.my_secret }"

​
Example GitHub workflow file

To use this driver from inside the preview env workflow file in your GitHub repository, you may add the environment variables prefixed with PORTER_APPLY_ in the Create Porter preview env step’s env section as follows:

"on":
  workflow_dispatch:
    inputs:
      pr_branch_from:
        description: Pull request head branch
        required: true
        type: string
      pr_branch_into:
        description: Pull request base branch
        required: true
        type: string
      pr_number:
        description: Pull request number
        required: true
        type: number
      pr_title:
        description: Pull request title
        required: true
        type: string
name: Porter Preview Environment
jobs:
  porter-preview:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v2.3.4
    - name: Create Porter preview env
      timeout-minutes: 30
      uses: porter-dev/porter-preview-action@v0.2.0
      with:
        action_id: ${{ github.run_id }}
        cluster: "1"
        host: https://dashboard.getporter.dev
        installation_id: "00000000"
        namespace: pr-${{ github.event.inputs.pr_number }}-my-super-app
        pr_branch_from: ${{ github.event.inputs.pr_branch_from }}
        pr_branch_into: ${{ github.event.inputs.pr_branch_into }}
        pr_id: ${{ github.event.inputs.pr_number }}
        pr_name: ${{ github.event.inputs.pr_title }}
        project: "1"
        repo_name: my-super-app
        repo_owner: porter-user
        token: ${{ secrets.PORTER_TOKEN_1 }}
      env:
        PORTER_APPLY_my_secret: "my_secret"
    concurrency:
      group: ${{ github.workflow }}-${{ github.event.inputs.pr_number }}
env-groupBasic Web Application