Dockerfile

FROM php:7.4-fpm

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    curl \
    libpng-dev \
    libonig-dev \
    libxml2-dev \
    zip \
    unzip

# Clear cache
RUN apt-get clean && rm -rf /var/lib/apt/lists/*

# Install PHP extensions
RUN docker-php-ext-install pdo_mysql mbstring exif pcntl bcmath gd

# Get latest Composer
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

# Get latest mhsendmail
RUN curl --location --output /usr/local/bin/mhsendmail https://github.com/mailhog/mhsendmail/releases/download/v0.2.0/mhsendmail_linux_amd64 && \
    chmod +x /usr/local/bin/mhsendmail

RUN echo 'sendmail_path="/usr/local/bin/mhsendmail --smtp-addr=mailhog:1025 --from=no-replay@docker"' > /usr/local/etc/php/conf.d/sendmail.ini

# Get xdebug
RUN yes | pecl install xdebug \
    && docker-php-ext-enable xdebug

# Set working directory
WORKDIR /var/www/html/app