Dockerfile

FROM php:7.3-fpm

RUN apt-get update && apt-get install -y \
        curl \
        unzip \
        git \
        libfreetype6-dev \
        libjpeg62-turbo-dev \
        libpng-dev \
        libmcrypt-dev \
        libicu-dev \
        --no-install-recommends \
    && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
    && docker-php-ext-install -j$(nproc) gd \
    && docker-php-ext-install -j$(nproc) opcache \
    && docker-php-ext-install -j$(nproc) mbstring \
    && docker-php-ext-install -j$(nproc) pdo_mysql \
    && rm -r /var/lib/apt/lists/*

RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer \
    && composer global require --no-progress "fxp/composer-asset-plugin:~1.4.0"

RUN usermod -u ${DOCKER_USER_ID:-1000} www-data \
    && mkdir -p ${APP_BASE_DIR:-/var/www}

WORKDIR ${APP_BASE_DIR:-/var/www}

CMD ["php"]