fly.io Barebones Apache Configuration for Slim PHP

Dockerfile

FROM php:8.2-apache

# Install `zip` -- required for composer
RUN apt update \
    && apt install -y zip libzip-dev \
    && docker-php-ext-configure zip \
    && docker-php-ext-install zip
    
# Install Apache rewrite module
RUN a2enmod rewrite

# Point the Site to use port 8080, and for Apache to listen to this port instead of `:80` by default.
RUN sed -ri -e 's!:80>!:8080>!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!Listen 80!Listen 8080!g' /etc/apache2/ports.conf

# Copy over the files, and set the appropriate permissions
COPY --chown=www-data . /var/www/html

# Install composer and install production-only packages. no composer plugins
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
RUN composer install --no-dev --optimize-autoloader

# Point to the public folder to use as the site root.
RUN sed -ri -e 's!/var/www/html!/var/www/html/public!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/html!/var/www/html/public!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf

WORKDIR /var/www/html

EXPOSE 8080