feat: add php.ini envs from clevyr/docker-php

Author: gabe565

Dockerfile

@@ -11,18 +11,44 @@ FROM wordpress:cli-${CLI_VERSION}-php${PHP_VERSION} AS wp-cli-source
 
 FROM wordpress:${WORDPRESS_VERSION}-php${PHP_VERSION}-${FLAVOR} AS base
 
-# Disable short tags
-RUN echo 'short_open_tag=Off' >> /usr/local/etc/php/conf.d/custom-php.ini
-
 COPY --from=wp-cli-source /usr/local/bin/wp /usr/local/bin/wp
-RUN chmod +x /usr/local/bin/wp
-
-RUN mkdir -p /var/www/.wp-cli/cache && \
-    chown -R www-data:www-data /var/www/.wp-cli
-
 ARG WP_CLI_ALLOW_ROOT=1
 ENV WP_CLI_ALLOW_ROOT=$WP_CLI_ALLOW_ROOT
 
+RUN <<EOT
+  set -eux
+
+  mkdir -p /var/www/.wp-cli/cache
+  chown -R www-data:www-data /var/www/.wp-cli
+
+  cd "$PHP_INI_DIR"
+
+  sed -ri \
+      -e 's/^;?(max_execution_time).*/\1 = ${PHP_MAX_EXECUTION_TIME}/' \
+      -e 's/^;?(max_input_vars).*/\1 = ${PHP_MAX_INPUT_VARS}/' \
+      -e 's/^;?(memory_limit).*/\1 = ${PHP_MEMORY_LIMIT}/' \
+      -e 's/^;?(post_max_size).*/\1 = ${PHP_POST_MAX_SIZE}/' \
+      -e 's/^;?(upload_max_filesize).*/\1 = ${PHP_UPLOAD_MAX_FILESIZE}/' \
+      -e 's/^;?(max_file_uploads).*/\1 = ${PHP_MAX_FILE_UPLOADS}/' \
+      -e 's/^;?(expose_php).*/\1 = Off/' \
+      php.ini-production
+
+  ln -s php.ini-production php.ini
+EOT
+
+ONBUILD ARG PHP_MAX_EXECUTION_TIME
+ONBUILD ENV PHP_MAX_EXECUTION_TIME=${PHP_MAX_EXECUTION_TIME:-30}
+ONBUILD ARG PHP_MAX_INPUT_VARS
+ONBUILD ENV PHP_MAX_INPUT_VARS=${PHP_MAX_INPUT_VARS:-1000}
+ONBUILD ARG PHP_MEMORY_LIMIT
+ONBUILD ENV PHP_MEMORY_LIMIT=${PHP_MEMORY_LIMIT:-256M}
+ONBUILD ARG PHP_POST_MAX_SIZE
+ONBUILD ENV PHP_POST_MAX_SIZE=${PHP_POST_MAX_SIZE:-32M}
+ONBUILD ARG PHP_UPLOAD_MAX_FILESIZE
+ONBUILD ENV PHP_UPLOAD_MAX_FILESIZE=${PHP_UPLOAD_MAX_FILESIZE:-8M}
+ONBUILD ARG PHP_MAX_FILE_UPLOADS
+ONBUILD ENV PHP_MAX_FILE_UPLOADS=${PHP_MAX_FILE_UPLOADS:-20}
+
 COPY --from=ext-installer /usr/bin/install-php-extensions /usr/local/bin/install-php-extensions
 
 ARG PHP_EXTENSIONS

README.md

@@ -2,12 +2,28 @@
 
 This repo builds base Docker base images for WordPress.
 
-## Build
+## Build Arguments
+
+The following variables can be only be configured at build.
 
-### Arguments
 | Build Arg           | Description                                                                                                                                    |
 |---------------------|------------------------------------------------------------------------------------------------------------------------------------------------|
 | `WORDPRESS_VERSION` | WordPress version                                                                                                                              |
 | `PHP_VERSION`       | PHP version                                                                                                                                    |
 | `PHP_EXTENSIONS`    | Additional extensions to install (using [`mlocati/docker-php-extension-installer`](https://github.com/mlocati/docker-php-extension-installer)) |
 | `FLAVOR`            | Base image type. One of `apache`,  `fpm-alpine`, or `cli`                                                                                      |
+
+## Runtime Configuration
+
+### PHP Configuration
+
+The following variables can be configured at build (Typically with an `ARG` in the `Dockerfile`) or during runtime (With environment variables).
+
+| Build Arg                 | Description                                                                                              | Default |
+|---------------------------|----------------------------------------------------------------------------------------------------------|---------|
+| `PHP_MAX_EXECUTION_TIME`  | See [`max_execution_time`](https://www.php.net/manual/en/info.configuration.php#ini.max-execution-time). | `30`    |
+| `PHP_MAX_INPUT_VARS`      | See [`max_input_vars`](https://www.php.net/manual/en/info.configuration.php#ini.max-input-vars).         | `1000`  |
+| `PHP_MEMORY_LIMIT`        | See [`memory_limit`](https://www.php.net/manual/en/ini.core.php#ini.memory-limit).                       | `256M`  |
+| `PHP_POST_MAX_SIZE`       | See [`post_max_size`](https://www.php.net/manual/en/ini.core.php#ini.post-max-size).                     | `32M`   |
+| `PHP_UPLOAD_MAX_FILESIZE` | See [`upload_max_filesize`](https://www.php.net/manual/en/ini.core.php#ini.upload-max-filesize).         | `8M`    |
+| `PHP_MAX_FILE_UPLOADS`    | See [`max_file_uploads`](https://www.php.net/manual/en/ini.core.php#ini.max-file-uploads).               | `20`    |