Dockerfile

FROM php:8.5-cli

# Install dependencies for SQLite and PHP extensions
RUN apt-get update && apt-get install -y \
    libsqlite3-dev \
    unzip \
    && docker-php-ext-configure pdo_sqlite --with-pdo-sqlite=/usr \
    && docker-php-ext-install pdo pdo_sqlite \
    && rm -rf /var/lib/apt/lists/*

# Install Composer
COPY --from=composer:2 /usr/bin/composer /usr/bin/composer

# Copy Composer files first for Docker layer caching
COPY composer.json composer.lock ./

# Install production dependencies only
RUN composer install \
    --no-dev \
    --prefer-dist \
    --no-interaction \
    --no-progress \
    --optimize-autoloader

# Copy application
COPY . .

# Render provides the PORT environment variable
EXPOSE 10000

CMD ["sh", "-c", "php -S 0.0.0.0:${PORT:-10000} -t public"]