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123 lines
5.6 KiB
Markdown
123 lines
5.6 KiB
Markdown
# wordpress
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WordPress docker image, powered by s6 supervised nginx unit.
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Attempt to fix several of WordPress anti-patterns in ready to deploy container
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#### Deprecation notice
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- 2023-01-20 Deprecation of WordPress versions prior to 5.9
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* Preparation for PHP8.1 upgrade.
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* WordPress versions prior to 5.9 have no PHP8.1 support.
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* PHP8.0 active support has ended since 2022-11-28, therefore skipping this release
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* PHP7.4 reached end-of-life on 2022-11-28 and should not be used.
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* Old images will remain, but will receive no further updates, until their eventual removal. Usage is not recommended.
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* This decision will make build stack significantly lighter, ensuring much faster future builds
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- 2023-01-21 Retirement of PHP7.4. The king is dead, long live the king!
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- 2023-01-22 Replace NGINX + PHP-FPM combo with NGINX Unit
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* Split and rebase image and rework build
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* This is breaking change affecting all images
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* If your setup was vanilla, it should work out of the box
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* If you need nginx, you can set it up as a reverse proxy
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* NGINX Unit is modern application server, replacing old PHP-FPM
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* Independent benchmarks have show that NGINX Unit can handle much higher load and remain stable
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- 2023-01-23 WordPress is no longer installed during runtime and it's bundled into the image
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* This renders WP_LOCALE environment variable useless
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* Instead, you will be offered to select locale during the first setup
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- 2023-04-09 Deprecation of docker.io hosted images. We're moving to ghcr.io.
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* This is due to Docker Hub's sunsetting of free teams. See docker/hub-feedback#2314
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* If you are using nlss/wordpress images, you should switch to ghcr.io/n0rthernl1ghts/wordpress
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* nlss/wordpress images will be removed in May. Further usage is not recommended, although we'll keep them up to date until then.
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- 2023-08-06 Deprecation/removal of linux/armhf architecture
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* 32-bit ARM is [officialy dead](https://www.androidauthority.com/arm-32-vs-64-bit-explained-1232065/).
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* It has been deprecated/removed in the base
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* This improves build speed as buidling linux/armhf is slow and was taking the most of the time
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* Simplifies maintenance
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- 2024-05-13 Deprecation of WordPress versions prior to 6.2
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* Old images will remain, but will receive no further updates, until their eventual removal. Usage is not recommended.
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* This decision will make build stack significantly lighter, ensuring much faster future builds
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- 2024-05-17 Upgrade S6 supervisor to v3
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* This is breaking change affecting all images
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* If your setup was vanilla, it should work out of the box
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* If you have custom scripts, you should review them and migrate to new format
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* S6 supervisor v3 brings many improvements and bugfixes in addition to performance improvements
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* This change is necessary to ensure compatibility with future base image updates
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#### Public builds (docker)
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See: [packages](../../pkgs/container/wordpress)
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You can use public build:
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```
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ghcr.io/n0rthernl1ghts/wordpress:latest
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```
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You can also use specific version of WordPress:
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```
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ghcr.io/n0rthernl1ghts/wordpress:6.2.0
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```
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Replace version number with desired version, eg. 6.0.2.
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### Automatic plugin installer
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```
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WARNING: This feature is experimental and can fail. Proceed with caution
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```
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This container can install plugins during container startup defined in environment variable WORDPRESS_PLUGIN_LIST
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If environment variable is left empty, or undefined, installer will skip.<br/>
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Consider using custom image with plugins pre-installed in order to speed up container startup, and follow the best practices.
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Usage example:
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```
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# Notice that specific version can be defined
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WORDPRESS_PLUGIN_LIST=akismet:4.1.8 two-factor
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WP_PLUGINS_INSTALL_CONCURRENCY=10
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```
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`WP_PLUGINS_INSTALL_CONCURRENCY` is optional, and defines how many plugins can be installed in parallel. Default is 5. <br/>
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If you have a lot of plugins, you can increase this value to speed up installation, but be aware that this can cause issues, such as overloaded network connection, or even server overload. <br/>
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You should not set this value to value higher than number of CPU threads ( * 1.5 ).
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Caveats:
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* If plugin was previously installed, and not defined on the list, it will NOT be removed.
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* Plugins are not activated automatically; This is intentional.
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* If container startup speed is crucial (eg. start-on-demand ), don't use this feature, as it will block container startup until all plugins are installed.
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#### Extending image
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You can extend this image and install plugins during build time, using `wp-plugin` script. <br/>
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Example:
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```Dockerfile
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FROM ghcr.io/n0rthernl1ghts/wordpress:6.2.0 AS wp-plugins-installer
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RUN set -eux \
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&& export WP_PLUGINS_PATH="/var/www/html/wp-content/plugins" \
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&& wp-plugin download akismet 4.1.8 \
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&& wp-plugin download two-factor \
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&& wp-plugin download wp-mail-smtp
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# Final image
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FROM ghcr.io/n0rthernl1ghts/wordpress:6.2.0
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# Example:
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# - Install ext-redis with pecl
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# - Enable ext-redis
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# - Remove pear/pecl cache
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# - Put production-ready php.ini in use
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RUN set -eux \
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&& pecl install redis \
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&& docker-php-ext-enable redis \
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&& rm -rf /tmp/pear \
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&& cp "${PHP_INI_DIR}/php.ini-production" "${PHP_INI_DIR}/php.ini"
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COPY --from=wp-plugins-installer ["/var/www/html/wp-content/plugins", "/var/www/html/wp-content/plugins"]
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```
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### TODO
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* ~Disable core updates~
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* ~Install/update plugins on the fly using wp cli (with versioning)~
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* Install/update themes on the fly using wp cli (with versioning)
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* ~Apply theme and eventual plugin customizations using patch files~ (Partial)
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* Support automatic install using ENV
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* Create users automatically using ENV
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