PHP hardening

การตั้งค่า PHP เพื่อให้มีความปลอดภัยมากขึ้น

Docker image พื้นฐาน

FROM php:8.2.6-apache

ENV TZ=Asia/Bangkok

RUN set -x \
    && apt-get update \
    && apt-get install -y libmagickwand-dev libldap2-dev libjpeg-dev libpng-dev libzip-dev libicu-dev libbz2-dev \
    && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
    && docker-php-ext-install ldap \
    && docker-php-ext-configure gd --with-jpeg \
    && docker-php-ext-install gd \
    && docker-php-ext-install mysqli \
    && docker-php-ext-install pdo_mysql \
    && docker-php-ext-install opcache \
    && docker-php-ext-install zip \
    && docker-php-ext-install bz2 \
    && docker-php-ext-install bcmath \
    && docker-php-ext-install intl \
    && docker-php-ext-install gettext \
    && pecl install apcu \
    && echo "extension=apcu.so" > /usr/local/etc/php/conf.d/apcu.ini \
    && pecl install -o -f imagick \
    && docker-php-ext-enable imagick \
    && rm -rf /var/lib/apt/lists/*

RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" \
&& a2enmod remoteip \
&& a2enmod rewrite \
&& a2enmod headers \
&& echo 'LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined' | tee "$APACHE_CONFDIR/conf-available/xff.conf" \
&& a2enconf xff.conf \
&& echo "ServerSignature Off" | tee "$APACHE_CONFDIR/conf-available/serversigoff.conf" \
&& echo "ServerTokens Prod" | tee -a "$APACHE_CONFDIR/conf-available/serversigoff.conf" \
&& echo "SetEnvIf X-Forwarded-Proto \"https\" HTTPS=on" | tee "$APACHE_CONFDIR/conf-available/ssloffload.conf" \
&& a2enconf ssloffload.conf \
&& a2enconf serversigoff.conf \
&& ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone