# Build stage
FROM php:5.6-fpm-alpine as composer

# Install system dependencies and PHP extensions required for Composer
RUN apk add --no-cache \
    git \
    curl \
    zip \
    unzip \
    libmcrypt \
    libmcrypt-dev \
    zlib-dev \
    libzip-dev \
    autoconf \
    make \
    gcc \
    g++ \
    && docker-php-ext-install mcrypt mbstring zip \
    && curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer \
    && composer self-update --1

ENV COMPOSER_ALLOW_SUPERUSER=1
WORKDIR /app
COPY composer.* ./

# Install dependencies with Composer (optimize later after full copy)
RUN composer config platform.php 5.6.40 \
    && composer install --prefer-dist --no-dev --no-scripts --no-autoloader

# Copy the rest of the application and optimize autoload
COPY . .
RUN composer dump-autoload --optimize --no-dev --classmap-authoritative

# Production stage
FROM php:5.6-fpm-alpine

# Install runtime dependencies & build PHP extensions
RUN apk add --no-cache \
    nginx \
    curl \
    libpng \
    libjpeg-turbo \
    freetype \
    libzip \
    libmcrypt \
    zlib \
    && apk add --no-cache --virtual .build-deps \
    autoconf make gcc g++ \
    libpng-dev libjpeg-turbo-dev freetype-dev libzip-dev libmcrypt-dev zlib-dev \
    && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
    && docker-php-ext-install -j"$(nproc)" gd pdo pdo_mysql zip mcrypt mbstring opcache \
    && docker-php-ext-enable mcrypt \
    && apk del .build-deps \
    && php -m | grep -i mcrypt

# Configure PHP for production
RUN mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" \
    && echo "opcache.enable=1" >> /usr/local/etc/php/conf.d/opcache.ini \
    && echo "opcache.memory_consumption=128" >> /usr/local/etc/php/conf.d/opcache.ini \
    && echo "opcache.interned_strings_buffer=8" >> /usr/local/etc/php/conf.d/opcache.ini \
    && echo "opcache.max_accelerated_files=4000" >> /usr/local/etc/php/conf.d/opcache.ini \
    && echo "opcache.revalidate_freq=60" >> /usr/local/etc/php/conf.d/opcache.ini \
    && echo "opcache.fast_shutdown=1" >> /usr/local/etc/php/conf.d/opcache.ini

WORKDIR /var/www

# Copy vendor & app code from build stage
COPY --from=composer /app/vendor ./vendor
COPY . .

# Set appropriate permissions and create required directories
RUN chown -R www-data:www-data storage bootstrap \
    && mkdir -p /run/php \
    && chown www-data:www-data /run/php \
    && php artisan key:generate || true

# Healthcheck (FPM listens on 9000; adjust as needed if behind nginx)
HEALTHCHECK --interval=30s --timeout=5s CMD php -m > /dev/null || exit 1

EXPOSE 9000
CMD ["php-fpm"]