Docker compose scaffold with MariaDB + PHP 7 + Composer + Yarn

docker-compose-environment.sh

# Docker compose environment scaffold using MariaDB and PHP 7, with Data Container for 
# the database and without permission issues with mounted volumes (docker -v)

########################
###### Dockerfile ######
########################
```
FROM php:7.0.18-apache

# Basic tools and dependencies
RUN apt-get update && apt-get install apt-utils -y \
    libssl-dev \
    git \
    zip \
    unzip \
    apt-transport-https

# Composer
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin \
    && mv /usr/local/bin/composer.phar /usr/local/bin/composer

# Yarn
RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
    && apt-get update -o Dir::Etc::sourcelist="yarn.list" \
    && apt-get install -y yarn
    
# Default Virtual Host and apache configs
RUN sed -i "s/DocumentRoot .*/DocumentRoot \/var\/www\/html\/public/" /etc/apache2/sites-enabled/000-default.conf \
    && a2enmod rewrite \
    && a2enmod headers

# Project bootstraping
COPY bootstrap.sh /
RUN chmod +x /bootstrap.sh
CMD /bootstrap.sh
```

########################
#### Docker Compose ####
########################
```
version: '2'
services:
  web:
    build: .
    ports:
      - 8080:80
    volumes:
      - '.:/var/www/html'
    environment:
      - HOST_UID=${UID}
    links:
      - mariadb
  mariadbdata:
    image: mariadb:10.2
    volumes:
      - /var/lib/mysql
    command: --break-maria
  mariadb:
    image: mariadb:10.2
    volumes_from:
      - mariadbdata
    ports:
      - "3306:3306"
    environment:
      # Only for development
      - MARIADB_ROOT_PASSWORD=root
```

#############################
##### PROJECT BOOTSTRAP #####
#############################
```
#!/bin/bash

composer install
yarn install && yarn run build

# If it's a Laravel application
if [ ! -f .env ]; then
    cp .env.example .env
    php artisan key:generate
fi

function changeApacheUserId() {
    getent group webserver &> /dev/null || groupadd -g $1 webserver
    getent passwd webserver &> /dev/null || useradd -r -s /bin/false webserver -u $1 -g $1
    export APACHE_RUN_USER=webserver
    chown -R $1:$1 /var/www/html
}

if [[ "$HOST_UID" -gt 0 ]]; then
    changeApacheUserId $HOST_UID
fi

apachectl stop
rm -vf /var/run/apache2/apache2.pid
apachectl -DFOREGROUND
```