Docker cluster for ION web application

docker-compose.yml

version: '3'
services:
    web:
        image: nginx:latest
        ports:
            - "80:80"
            - "3000:443"
        restart: always
        volumes:
            - "./etc/nginx/default.conf:/etc/nginx/conf.d/default.conf"
            - "./etc/ssl:/etc/ssl"
            - "./web:/var/www/html"
        depends_on:
            - php
            - mysqldb
    php:
        image: nanoninja/php-fpm
        restart: always
        volumes:
            - "./etc/php/php.ini:/usr/local/etc/php/conf.d/php.ini"
            - "./web:/var/www/html"
    composer:
        image: "composer"
        volumes:
            - "./web:/app"
        command: install
#    myadmin:
#        image: phpmyadmin/phpmyadmin
#        container_name: phpmyadmin
#        ports:
#            - "8080:80"
#        environment:
#            - PMA_ARBITRARY=1
#            - PMA_HOST=${MYSQL_HOST}
#        restart: always
#        depends_on:
#            - mysqldb
    mysqldb:
        image: mysql
        container_name: ${MYSQL_HOST}
        restart: always
        env_file:
            - ".env"
        environment:
            - MYSQL_DATABASE=${MYSQL_DATABASE}
            - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
            - MYSQL_USER=${MYSQL_USER}
            - MYSQL_PASSWORD=${MYSQL_PASSWORD}
        ports:
            - "8989:3306"
        volumes:
            - "./data/db/mysql:/var/lib/mysql"
    iond:
        image: rdewilde/iond
        container_name: iond
        ports:
            - "12700:12700"
            - "12705:12705"
        restart: always
        env_file:
            - ".env"
        environment:
            - IOND_USER=${IOND_USER}
            - IOND_PASS=${IOND_PASS}
            - IOND_ALLOWIP=${IOND_ALLOWIP}
            - IOND_ARGS=${IOND_ARGS}
        volumes:
            - "./ioncoin/:/root/.ioncoin/"
    memcached:
        image: memcached
        container_name: memcached
        command: memcached -m 128m

Example .env file:

#!/usr/bin/env bash

# See https://docs.docker.com/compose/environment-variables/#the-env-file
IOND_USER=ionapi
IOND_PASS=DjsaDIasjfisdjf9djf@(#Fj9
IOND_ALLOWIP=127.0.0.1
IOND_ARGS=-testnet

MYSQL_HOST=mysql
MYSQL_DATABASE=test
MYSQL_ROOT_USER=admin
MYSQL_ROOT_PASSWORD=admin
MYSQL_USER=test
MYSQL_PASSWORD=test