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Chainguard Container for wordpress

Minimalist Wolfi-based WordPress images.

Chainguard Containers are regularly-updated, secure-by-default container images.

Download this Container Image

For those with access, this container image is available on cgr.dev:

docker pull cgr.dev/ORGANIZATION/wordpress:latest

Be sure to replace the ORGANIZATION placeholder with the name used for your organization's private repository within the Chainguard Registry.

This image was designed to work as a drop-in replacement for the official WordPress FPM-Alpine image, with a distroless variant for increased security on production environments.

The latest-dev variant should be used to install and customize WordPress with themes and plugins. It has the same features from the upstream WordPress image, with an entrypoint script to set up the database via environment variables. The latest variant is a production-ready distroless image that should be used to run the WordPress site in a multi-stage build.

Example Docker Compose Setup

You can use the following docker-compose.yml file to set up a development environment to install and customize WordPress:

services:
  app:
    image: cgr.dev/chainguard/wordpress:latest-dev
    restart: unless-stopped
    environment:
      WORDPRESS_DB_HOST: mariadb
      WORDPRESS_DB_USER: wp-user
      WORDPRESS_DB_PASSWORD: wp-password
      WORDPRESS_DB_NAME: wordpress
    volumes:
      - document-root:/var/www/html
    networks:
      - wolfi

  nginx:
    image: cgr.dev/chainguard/nginx
    restart: unless-stopped
    ports:
      - 8000:8080
    volumes:
      - document-root:/var/www/html
      - ./nginx.conf:/etc/nginx/nginx.conf
    networks:
      - wolfi

  mariadb:
    image: cgr.dev/chainguard/mariadb
    restart: unless-stopped
    environment:
      MARIADB_ALLOW_EMPTY_ROOT_PASSWORD: 1
      MARIADB_USER: wp-user
      MARIADB_PASSWORD: wp-password
      MARIADB_DATABASE: wordpress
    ports:
      - 3306:3306
    networks:
      - wolfi

networks:
  wolfi:
    driver: bridge

volumes:
  document-root:

For this setup to work, you'll need an nginx.conf file with the following content:

pid /var/run/nginx.pid;

events {
  worker_connections  1024;
}

http {
    server {
        listen 8080;
        index index.php index.html;
        root /var/www/html;
        charset utf-8;
        client_max_body_size 100M;
        timeout 300;

        location / {
            include  /etc/nginx/mime.types;
            try_files $uri $uri/ /index.php?$query_string;
        }

        location = /favicon.ico { access_log off; log_not_found off; }
        location = /robots.txt  { access_log off; log_not_found off; }

        location ~ \.php$ {
            try_files $uri =404;
            fastcgi_split_path_info ^(.+\.php)(/.+)$;
            fastcgi_pass app:9000;
            fastcgi_index index.php;
            include fastcgi_params;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            fastcgi_param PATH_INFO $fastcgi_path_info;
        }

        location ~ /\.(?!well-known).* {
            deny all;
        }
    }
}

After running docker compose up, your WordPress site will be available at http://localhost:8000. You can follow the installation instructions to set up your site and test your setup, but persisting customizations such as themes and plugins will require a different strategy that requires either setting up a volume for your theme and plugins or copying the custom content to the image through a Dockerfile that uses cgr.dev/chainguard/wordpress:latest-dev as the base image.

What are Chainguard Containers?

Chainguard's free tier of Starter container images are built with Wolfi, our minimal Linux undistro.

All other Chainguard Containers are built with Chainguard OS, Chainguard's minimal Linux operating system designed to produce container images that meet the requirements of a more secure software supply chain.

The main features of Chainguard Containers include:

For cases where you need container images with shells and package managers to build or debug, most Chainguard Containers come paired with a development, or -dev, variant.

In all other cases, including Chainguard Containers tagged as :latest or with a specific version number, the container images include only an open-source application and its runtime dependencies. These minimal container images typically do not contain a shell or package manager.

Although the -dev container image variants have similar security features as their more minimal versions, they include additional software that is typically not necessary in production environments. We recommend using multi-stage builds to copy artifacts from the -dev variant into a more minimal production image.

Need additional packages?

To improve security, Chainguard Containers include only essential dependencies. Need more packages? Chainguard customers can use Custom Assembly to add packages, either through the Console, chainctl, or API.

To use Custom Assembly in the Chainguard Console: navigate to the image you'd like to customize in your Organization's list of images, and click on the Customize image button at the top of the page.

Learn More

Refer to our Chainguard Containers documentation on Chainguard Academy. Chainguard also offers VMs and Libraries — contact us for access.

Trademarks

This software listing is packaged by Chainguard. The trademarks set forth in this offering are owned by their respective companies, and use of them does not imply any affiliation, sponsorship, or endorsement by such companies.

Licenses

Chainguard container images contain software packages that are direct or transitive dependencies. The following licenses were found in the "latest" tag of this image:

  • Apache-2.0

  • BSD-1-Clause

  • BSD-2-Clause

  • BSD-3-Clause

  • BSD-4-Clause-UC

  • CC-PDDC

  • FTL

For a complete list of licenses, please refer to this Image's SBOM.

Software license agreement

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