publish.yml

name: Publish

on:
  push:
    tags:
      - "v[0-9]+.[0-9]+.[0-9]+" # production release tags vX.Y.Z
      - "v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+" # release candidate tags vX.Y.Z-rc1

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
      - name: 🛎️ Checkout
        uses: actions/checkout@v2

      - name: 🧪 Setup elixir
        uses: erlef/setup-elixir@v1
        with:
          elixir-version: 1.12.0 # Define the elixir version [required]
          otp-version: 24.0 # Define the OTP version [required]

      - name: ⬇️ Install elixir dependencies
        run: mix deps.get

      - name: 🔨 Build dependencies
        run: mix deps.compile

      - name: 🚀 Publish package to hex.pm
        env:
          HEX_API_KEY: ${{ secrets.HEX_API_KEY }}
        run: |
          if [[ -z "${HEX_API_KEY}" ]]; then
            echo "HEX_API_KEY is not set" && exit 1
          fi

          echo "===> Build hex package"
          echo 
          mix hex.build

          echo "===> Publishing hex package"
          echo
          mix hex.publish --yes