Update and refactor example workflows

examples/phalcon-postgres.yml

@@ -19,7 +19,7 @@ jobs:
       DB_CONNECTION: pgsql
     services:
       postgres:
-        image: postgres:10.8
+        image: postgres:latest
         env:
           POSTGRES_USER: postgres
           POSTGRES_PASSWORD: postgres
@@ -31,17 +31,21 @@ jobs:
       fail-fast: false
       matrix:
         php-versions: ['7.2', '7.3', '7.4']
-      # For phalcon 3.x, use
-      # php-versions: ['7.0', '7.1', '7.2', '7.3']
+        # For phalcon 3.x, use
+        # php-versions: ['7.0', '7.1', '7.2', '7.3']
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Setup PHP, with composer and extensions
-        uses: shivammathur/setup-php@v2 #https://github.com/shivammathur/setup-php
+
+      # Docs: https://github.com/shivammathur/setup-php
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-versions }}
-          extensions: mbstring, dom, zip, phalcon4, pgsql #use phalcon3 for the phalcon 3.x
-          coverage: xdebug #optional
+          # Use phalcon3 for the phalcon 3.x
+          extensions: mbstring, dom, zip, phalcon4, pgsql
+          coverage: xdebug
+
       - name: Get composer cache directory
         id: composer-cache
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"