deploy.yml

name: Deploy
concurrency: deploy

on:
  release:
    types: [published]
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      environment:
        description: |
          Environment to deploy. 
          
          Must select the default branch for staging, and a release tag for production.
        type: environment
        required: true

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      GITHUB_CONTEXT: ${{ toJson(github) }}
    steps:
      - run: env
      - run: echo "$GITHUB_CONTEXT"

  staging:
    if: |
      github.event_name == 'push' || (
        github.event_name == 'workflow_dispatch' && 
        github.event.inputs.environment == 'staging' &&
        github.ref_name == github.event.repository.default_branch
      )
    runs-on: ubuntu-latest
    environment: staging
    needs: build
    steps:
      - run: echo "TODO deploy staging iff we're a push or a manual trigger on ${{ github.event.repository.default_branch }}"

  production:
    if: |
      github.event_name == 'release' || (
        github.event_name == 'workflow_dispatch' && 
        github.event.inputs.environment == 'production' &&
        github.ref_type == 'tag'
      )    
    runs-on: ubuntu-latest
    environment: production
    needs: build
    steps:
      - run: echo "TODO deploy production iff we're a release or a manual trigger on a tag"