set-image.yml

name: Update Image with Kustomize
on:
  workflow_dispatch:
    inputs:
      app:
        description: 'Application'
        required: true
        type: choice
        options:
        - api
        - grep
        - web
        - api-v0-shim
      environment:
        description: 'Environment'
        default: prod
        type: choice
        options:
        - prod
        - stage
      base-tag:
        description: 'Base Image Tag'
        type: string
      tag:
        description: 'Image Tag'
        required: true
        type: string

jobs:
  update-image:
    runs-on: ubuntu-latest

    steps:
      - name: Generate Auth Token
        uses: actions/create-github-app-token@v1
        id: app-token
        with:
          app-id: ${{ secrets.APP_ID }}
          private-key: ${{ secrets.APP_PRIVATE_KEY }}
      - id: git-user
        name: Set up git user
        uses: haarg/setup-git-user@v1
        with:
          app: ${{ steps.app-token.outputs.app-slug }}
      - uses: actions/checkout@v4
        with:
          token: ${{ steps.app-token.outputs.token }}
      - name: Set up Kustomize
        uses: imranismail/setup-kustomize@v2
      - name: Update Image Tag
        working-directory: ./apps/${{ inputs.app }}/environments/${{ inputs.environment }}
        run: |
          kustomize edit set image ${{ inputs.base-tag }} ${{ inputs.tag }}
          git add .
          git commit -m 'Update ${{ inputs.app }} to `${{ inputs.tag }}`'
      - name: Push manifests
        run: git push