fly.yml

name: 🪂 Fly

on:
  push:
    branches:
      - "main"
    tags:
      - "v*"
    paths-ignore:
      - ".github/**"
      - "!.github/workflows/fly.yml"
      - ".env.example"
      - ".eslintrc.cjs"
      - ".prettierignore"
      - "wrangler.toml"
      - "README.md"
      - "wrangler.toml"
      - ".vscode/*"
      - ".husky/*"
      - ".prettierrc.json"
      - "LICENSE"
      - "run"
  workflow_dispatch:
    inputs:
      git-ref:
        description: "Branch / ref / tag to build"
        required: false
        default: "main"
      deployment-type:
        description: "Fly app type to deploy to"
        required: true
        default: 'dev'
        type: choice
        options:
        - dev
        - prod
        - mach
        - b1

env:
  GIT_REF: ${{ github.event.inputs.git-ref || github.ref }}
  FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
  # one of immediate, rolling, bluegreen, canary
  FLY_DEPLOY_STRAT: "rolling"
  # default fly app to deploy to (typically, dev)
  FLY_APP: ${{ secrets.FLY_APP_NAME }}
  FLY_PROD_APP: ${{ secrets.FLY_APP_NAME_LIVE }}
  FLY_B1_APP: ${{ secrets.FLY_APP_NAME_B1 }}
  FLY_MACHINES_APP: "udns"
  FLY_CFG: "fly.toml"
  FLY_B1_CFG: "fly.tls.toml"
  FLY_MACHINES_CFG: "fly.machines.toml"

jobs:
  deploy:
    name: 🚀 Deploy app
    runs-on: ubuntu-latest
    steps:
      - name: 🚚 Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ env.GIT_REF }}
          fetch-depth: 0

      - name: 🏗 Git rev-parse
        run: |
          echo "GIT_HEAD=$(git rev-parse HEAD)" >> $GITHUB_ENV
          echo "FLY_TOML=${FLY_CFG}" >> $GITHUB_ENV
        shell: bash

      - name: 🔐👨‍🚒 B1 via dispatch?
        if: ${{ github.event_name == 'workflow_dispatch' &&
          github.event.inputs.deployment-type == 'b1' }}
        run: |
          echo "FLY_APP=${FLY_B1_APP}" >> $GITHUB_ENV
          echo "FLY_TOML=${FLY_B1_CFG}" >> $GITHUB_ENV
          echo "::notice::Deploying B1 / ${GIT_REF} @ ${COMMIT_SHA}"
        shell: bash
        env:
          COMMIT_SHA: ${{ github.sha }}

      - name: 🚨👨‍🚒 Prod via dispatch?
        if: ${{ github.event_name == 'workflow_dispatch' &&
          github.event.inputs.deployment-type == 'prod' }}
        run: |
          echo "FLY_APP=${FLY_PROD_APP}" >> $GITHUB_ENV
          echo "::notice::Deploying PROD / ${GIT_REF} @ ${COMMIT_SHA}"
        shell: bash
        env:
          COMMIT_SHA: ${{ github.sha }}

      - name: 🚨🛺 Prod via tag?
        # docs.github.com/en/actions/learn-github-actions/contexts#github-context
        if: ${{ github.event_name != 'workflow_dispatch' && github.ref_type == 'tag' }}
        run: |
          echo "FLY_APP=${FLY_PROD_APP}" >> $GITHUB_ENV
          echo "::notice::Deploying PROD / ${GIT_REF} @ ${COMMIT_SHA}"
        shell: bash
        env:
          COMMIT_SHA: ${{ github.sha }}

      - name: 🚜👨‍🚒 Machines via dispatch?
        if: ${{ github.event_name == 'workflow_dispatch' &&
          github.event.inputs.deployment-type == 'mach' }}
        run: |
          echo "FLY_APP=${FLY_MACHINES_APP}" >> $GITHUB_ENV
          echo "FLY_TOML=${FLY_MACHINES_CFG}" >> $GITHUB_ENV
          echo "FLY_DEPLOY_STRAT=immediate" >> $GITHUB_ENV
          echo "::notice::Deploying MACH / ${GIT_REF} @ ${COMMIT_SHA}"
        shell: bash
        env:
          COMMIT_SHA: ${{ github.sha }}

      # experimental: github.com/superfly/flyctl-actions/pull/20
      - name: 🏗 Setup flyctl @ latest
        uses: superfly/flyctl-actions/setup-flyctl@master
        with:
          version: latest

      - name: 🚢 Ship
        run: "flyctl deploy
            --image-label ${{ env.GIT_HEAD }}
            --config ${{ env.FLY_TOML }}
            --strategy ${{ env.FLY_DEPLOY_STRAT }}
            --verbose
            "

      - name: 📕 Registry
        if: success()
        run: |
          echo "::notice::Image @ registry.fly.io/<fly-app-name>:${{ env.GIT_HEAD }}"
        shell: bash