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build/Dockerfile

-FROM php:7.3-fpm
-
-# install the PHP extensions we need
-RUN apt-get update && apt-get install -y \
-		libfreetype6-dev \
-		libjpeg62-turbo-dev \
-		libpng-dev \
-                libxml2-dev
-RUN docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
-    && docker-php-ext-install -j$(nproc) \
-		gd \
-		iconv \
-		soap \
-		exif \
-		intl \
-		mysqli
-
-RUN pecl install redis && docker-php-ext-enable redis
-
-VOLUME /var/www/html
-
-ENV WORDPRESS_VERSION 5.2.2
-ENV WORDPRESS_UPSTREAM_VERSION 5.2.2
-ENV WORDPRESS_SHA1 3605bcbe9ea48d714efa59b0eb2d251657e7d5b0
-
-COPY docker-entrypoint.sh /entrypoint.sh
-
-RUN curl -o wordpress.tar.gz -SL https://wordpress.org/wordpress-${WORDPRESS_UPSTREAM_VERSION}.tar.gz \
-	&& echo "$WORDPRESS_SHA1 *wordpress.tar.gz" | sha1sum -c - \
-	&& tar -xzf wordpress.tar.gz -C /usr/src/ \
-	&& rm wordpress.tar.gz \
-	&& chown -R www-data:www-data /usr/src/wordpress
-
-ENTRYPOINT ["/entrypoint.sh"]
-
-EXPOSE 9000
-
-CMD ["php-fpm"]

build/docker-entrypoint.sh

-#!/bin/bash
-set -e
-
-if [ -n "$MYSQL_PORT_3306_TCP" ]; then
-	if [ -z "$WORDPRESS_DB_HOST" ]; then
-		WORDPRESS_DB_HOST='mysql'
-	else
-		echo >&2 'warning: both WORDPRESS_DB_HOST and MYSQL_PORT_3306_TCP found'
-		echo >&2 "  Connecting to WORDPRESS_DB_HOST ($WORDPRESS_DB_HOST)"
-		echo >&2 '  instead of the linked mysql container'
-	fi
-fi
-
-if [ -z "$WORDPRESS_DB_HOST" ]; then
-	echo >&2 'error: missing WORDPRESS_DB_HOST and MYSQL_PORT_3306_TCP environment variables'
-	echo >&2 '  Did you forget to --link some_mysql_container:mysql or set an external db'
-	echo >&2 '  with -e WORDPRESS_DB_HOST=hostname:port?'
-	exit 1
-fi
-
-# if we're linked to MySQL, and we're using the root user, and our linked
-# container has a default "root" password set up and passed through... :)
-: ${WORDPRESS_DB_USER:=root}
-if [ "$WORDPRESS_DB_USER" = 'root' ]; then
-	: ${WORDPRESS_DB_PASSWORD:=$MYSQL_ENV_MYSQL_ROOT_PASSWORD}
-fi
-: ${WORDPRESS_DB_NAME:=wordpress}
-
-if [ -z "$WORDPRESS_DB_PASSWORD" ]; then
-	echo >&2 'error: missing required WORDPRESS_DB_PASSWORD environment variable'
-	echo >&2 '  Did you forget to -e WORDPRESS_DB_PASSWORD=... ?'
-	echo >&2
-	echo >&2 '  (Also of interest might be WORDPRESS_DB_USER and WORDPRESS_DB_NAME.)'
-	exit 1
-fi
-
-if ! [ -e index.php -a -e wp-includes/version.php ]; then
-	echo >&2 "WordPress not found in $(pwd) - copying now..."
-	if [ "$(ls -A)" ]; then
-		echo >&2 "WARNING: $(pwd) is not empty - press Ctrl+C now if this is an error!"
-		( set -x; ls -A; sleep 10 )
-	fi
-	tar cf - --one-file-system -C /usr/src/wordpress . | tar xf -
-	echo >&2 "Complete! WordPress has been successfully copied to $(pwd)"
-	if [ ! -e .htaccess ]; then
-		# NOTE: The "Indexes" option is disabled in the php:apache base image
-		cat > .htaccess <<-'EOF'
-			# BEGIN WordPress
-			<IfModule mod_rewrite.c>
-			RewriteEngine On
-			RewriteBase /
-			RewriteRule ^index\.php$ - [L]
-			RewriteCond %{REQUEST_FILENAME} !-f
-			RewriteCond %{REQUEST_FILENAME} !-d
-			RewriteRule . /index.php [L]
-			</IfModule>
-			# END WordPress
-		EOF
-		chown www-data:www-data .htaccess
-	fi
-fi
-
-# TODO handle WordPress upgrades magically in the same way, but only if wp-includes/version.php's $wp_version is less than /usr/src/wordpress/wp-includes/version.php's $wp_version
-
-if [ ! -e wp-config.php ]; then
-	awk '/^\/\*.*stop editing.*\*\/$/ && c == 0 { c = 1; system("cat") } { print }' wp-config-sample.php > wp-config.php <<'EOPHP'
-// If we're behind a proxy server and using HTTPS, we need to alert Wordpress of that fact
-// see also http://codex.wordpress.org/Administration_Over_SSL#Using_a_Reverse_Proxy
-if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
-	$_SERVER['HTTPS'] = 'on';
-}
-EOPHP
-	chown www-data:www-data wp-config.php
-fi
-
-set_config() {
-	key="$1"
-	value="$2"
-	php_escaped_value="$(php -r 'var_export($argv[1]);' "$value")"
-	sed_escaped_value="$(echo "$php_escaped_value" | sed 's/[\/&]/\\&/g')"
-	sed -ri "s/((['\"])$key\2\s*,\s*)(['\"]).*\3/\1$sed_escaped_value/" wp-config.php
-}
-
-set_config 'DB_HOST' "$WORDPRESS_DB_HOST"
-set_config 'DB_USER' "$WORDPRESS_DB_USER"
-set_config 'DB_PASSWORD' "$WORDPRESS_DB_PASSWORD"
-set_config 'DB_NAME' "$WORDPRESS_DB_NAME"
-
-# allow any of these "Authentication Unique Keys and Salts." to be specified via
-# environment variables with a "WORDPRESS_" prefix (ie, "WORDPRESS_AUTH_KEY")
-UNIQUES=(
-	AUTH_KEY
-	SECURE_AUTH_KEY
-	LOGGED_IN_KEY
-	NONCE_KEY
-	AUTH_SALT
-	SECURE_AUTH_SALT
-	LOGGED_IN_SALT
-	NONCE_SALT
-)
-for unique in "${UNIQUES[@]}"; do
-	eval unique_value=\$WORDPRESS_$unique
-	if [ "$unique_value" ]; then
-		set_config "$unique" "$unique_value"
-	else
-		# if not specified, let's generate a random value
-		current_set="$(sed -rn "s/define\((([\'\"])$unique\2\s*,\s*)(['\"])(.*)\3\);/\4/p" wp-config.php)"
-		if [ "$current_set" = 'put your unique phrase here' ]; then
-			set_config "$unique" "$(head -c1M /dev/urandom | sha1sum | cut -d' ' -f1)"
-		fi
-	fi
-done
-
-TERM=dumb php -- "$WORDPRESS_DB_HOST" "$WORDPRESS_DB_USER" "$WORDPRESS_DB_PASSWORD" "$WORDPRESS_DB_NAME" <<'EOPHP'
-<?php
-// database might not exist, so let's try creating it (just to be safe)
-$stderr = fopen('php://stderr', 'w');
-list($host, $port) = explode(':', $argv[1], 2);
-$maxTries = 10;
-do {
-	$mysql = new mysqli($host, $argv[2], $argv[3], '', (int)$port);
-	if ($mysql->connect_error) {
-		fwrite($stderr, "\n" . 'MySQL Connection Error: (' . $mysql->connect_errno . ') ' . $mysql->connect_error . "\n");
-		--$maxTries;
-		if ($maxTries <= 0) {
-			exit(1);
-		}
-		sleep(3);
-	}
-} while ($mysql->connect_error);
-if (!$mysql->query('CREATE DATABASE IF NOT EXISTS `' . $mysql->real_escape_string($argv[4]) . '`')) {
-	fwrite($stderr, "\n" . 'MySQL "CREATE DATABASE" Error: ' . $mysql->error . "\n");
-	$mysql->close();
-	exit(1);
-}
-$mysql->close();
-EOPHP
-
-exec "$@"