[5.4] Add Mailpit Email Testing Support to Codespaces (joomla#46154)

* Add Mailpit

Author: alikon

.devcontainer/devcontainer.json

@@ -14,8 +14,13 @@
         "6080": {
             "label": "Cypress GUI",
             "onAutoForward": "silent"
+        },
+        "8025": {
+            "label": "Mailpit Web UI",
+            "onAutoForward": "openPreview"
         }
     },
+    "forwardPorts": [80, 443, 6080, 8025],
     "postCreateCommand": "bash ./.devcontainer/post-create.sh",
     "customizations": {
         "vscode": {

.devcontainer/docker-compose.yml

@@ -25,5 +25,11 @@ services:
     volumes:
       - "mysql-data:/var/lib/mysql"
 
+  mailpit:
+    image: axllent/mailpit:latest
+    restart: unless-stopped
+    ports:
+      - "8025:8025"
+
 volumes:
   mysql-data:

.devcontainer/post-create.sh

@@ -54,6 +54,12 @@ echo "✅ Joomla installed."
 echo "--> Applying development settings..."
 # Enable debug mode and maximum error reporting for easier troubleshooting.
 php cli/joomla.php config:set error_reporting=maximum
+# Configure mail settings for Mailpit
+php cli/joomla.php config:set mailer=smtp
+php cli/joomla.php config:set smtphost=mailpit
+php cli/joomla.php config:set smtpport=1025
+php cli/joomla.php config:set smtpauth=0
+php cli/joomla.php config:set smtpsecure=none
 echo "✅ Development settings applied."
 
 # --- 5. Install and Configure phpMyAdmin ---
@@ -148,6 +154,10 @@ DETAILS_FILE="${JOOMLA_ROOT}/codespace-details.txt"
     echo "  Username: $DB_USER"
     echo "  Password: $DB_PASS"
     echo ""
+    echo "Mailpit (Email Testing):"
+    echo "  URL: Open the 'Ports' tab, find 'Mailpit Web UI' (8025), and click the Globe icon"
+    echo "  All emails sent by Joomla will appear here for testing"
+    echo ""
     echo "Cypress E2E Testing:"
     echo "  Run interactive tests: npx cypress open"
     echo "  Run headless tests:   npx cypress run"