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1. Confirm WordPress and PHP Are Properly Installed

Make sure:

• PHP is installed and correctly configured (Railway uses Docker by default).
• The PHP version meets WordPress requirements (ideally PHP 8.1 or later).
• WordPress files are correctly located in your project directory (not in a subfolder unless handled explicitly).

⚙ 2. Check Your Dockerfile

If you deployed using a custom Dockerfile, ensure it properly serves PHP and WordPress. Here’s a minimal working example:

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FROM php:8.1-apache # Install dependencies RUN docker-php-ext-install mysqli && docker-php-ext-enable mysqli # Enable Apache mod_rewrite RUN a2enmod rewrite # Set working directory WORKDIR /var/www/html # Copy WordPress files into container COPY . /var/www/html/ # Set correct permissions RUN chown -R www-data:www-data /var/www/html

❗ You must also have a .htaccess file for WordPress with the right rewrite rules.

🗄 3. Verify .htaccess Exists and Is Properly Configured

Here's a standard .htaccess for WordPress:

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# BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress

If this file is missing or misconfigured, /wp-admin may appear blank.

🧪 4. Enable Error Reporting to Debug the Blank Page

Modify wp-config.php to show errors:

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define('WP_DEBUG', true); define('WP_DEBUG_LOG', true); define('WP_DEBUG_DISPLAY', true);

Then redeploy. This will reveal whether the blank screen is due to:

• PHP errors
• Plugin/theme issues
• Missing dependencies

You can check logs directly from Railway’s dashboard under "Deployments" → "View Logs".

🔌 5. Disable Themes or Plugins Temporarily

Sometimes a theme or plugin causes the admin panel to go blank.

To disable all plugins:

1. Rename the wp-content/plugins folder to something like plugins_backup.
2. Access the site again. If it works, one of your plugins is the issue.

To switch to a default theme:

1. Rename the wp-content/themes/yourtheme folder.
2. WordPress will fall back to a default theme like TwentyTwenty.

🌐 6. Environment Configuration (wp-config.php & Railway Variables)

Make sure your wp-config.php is referencing correct environment variables, especially for database access:

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define('DB_NAME', getenv('DB_NAME')); define('DB_USER', getenv('DB_USER')); define('DB_PASSWORD', getenv('DB_PASSWORD')); define('DB_HOST', getenv('DB_HOST'));

Railway environment variables must match these names, or use hardcoded values if troubleshooting.

7. Verify File Permissions

Ensure files and folders have correct permissions:

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# From container or local: find . -type f -exec chmod 644 {} \; find . -type d -exec chmod 755 {} \;

📌 Summary Checklist

Confirm WordPress & PHP installed correctly

⚙Use proper Dockerfile for Apache + PHP

🧾Check .htaccess rewrite rules🔍Enable WP_DEBUG to see errors

🔌Disable plugins/themes if needed

🌐Configure env vars for DB correctly

🔐Set file permissions securely

Let me know if you want me to have a look at your setup.