Run psalm on GitHub Actions

action.yaml

name: Psalm

on:
  push:
    paths:
      - '**.php'
      - 'psalm.xml'

jobs:
    psalm:
        name: Psalm
        runs-on: ubuntu-latest
        steps:
            -   uses: actions/checkout@v1

            -   name: Setup PHP
                uses: shivammathur/setup-php@v2
                with:
                    php-version: '7.4'
                    extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv, imagick
                    coverage: none

            -   name: Create database
                run: |
                  sudo /etc/init.d/mysql start
                  mysql  -u root -proot -e 'CREATE DATABASE IF NOT EXISTS app_database;'

            -   name: Cache composer dependencies
                uses: actions/cache@v1
                with:
                    path: vendor
                    key: composer-${{ hashFiles('composer.lock') }}

            -   name: Run composer install
                run: composer install -n --prefer-dist

            -   name: Prepare Laravel Application
                run: |
                    cp .env.ci .env
                    php artisan key:generate
                    php artisan migrate

            -   name: Generate IDE helper files
                run: |
                    php artisan ide-helper:eloquent
                    php artisan ide-helper:generate
                    php artisan ide-helper:meta
                    php artisan ide-helper:models

            -   name: Run psalm
                run: ./vendor/bin/psalm -c psalm.xml