To update the WordPress Dockerfile to use PHP 8, you need to change the PHP version in the Dockerfile and rebuild the image. Here are the steps you can follow:

  1. Open the Dockerfile for your WordPress image.
  2. Locate the line that installs PHP and replace it with the following:sqlCopy codeRUN apt-get update && \ apt-get install -y php8.0 \ php8.0-fpm \ php8.0-mysql \ php8.0-curl \ php8.0-gd \ php8.0-intl \ php8.0-mbstring \ php8.0-soap \ php8.0-xml \ php8.0-zip This will install PHP 8.0 and its necessary extensions.
  3. Save the Dockerfile.
  4. Rebuild your Docker image using the following command:Copy codedocker build -t your-image-name . Replace your-image-name with the name of your Docker image.
  5. After the image is built, you can start your WordPress container with the updated PHP version using the following command:cssCopy codedocker run -d -p 80:80 your-image-name This will start your container with the updated PHP version.

That’s it! Your WordPress Docker image should now be using PHP 8.0.

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