.env

APP_NAME=Laravel
APP_ENV=local
APP_KEY=base64:dN83HmA+RXfBmaXCr1Il38IHsQYDPRC+T6t1HmlHAbw=
APP_DEBUG=true
APP_URL=http://localhost

LOG_CHANNEL=stack

DB_CONNECTION=mysql
#DB_HOST=127.0.0.1
DB_HOST=db
DB_PORT=3306
DB_DATABASE=laravel
DB_USERNAME=root
DB_PASSWORD=root

BROADCAST_DRIVER=log
CACHE_DRIVER=file
QUEUE_CONNECTION=sync
SESSION_DRIVER=file
SESSION_LIFETIME=120

REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null
REDIS_PORT=6379

MAIL_MAILER=smtp
MAIL_HOST=smtp.mailtrap.io
MAIL_PORT=2525
MAIL_USERNAME=null
MAIL_PASSWORD=null
MAIL_ENCRYPTION=null
MAIL_FROM_ADDRESS=null
MAIL_FROM_NAME="${APP_NAME}"

AWS_ACCESS_KEY_ID=
AWS_SECRET_ACCESS_KEY=
AWS_DEFAULT_REGION=us-east-1
AWS_BUCKET=

PUSHER_APP_ID=
PUSHER_APP_KEY=
PUSHER_APP_SECRET=
PUSHER_APP_CLUSTER=mt1

MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"

docker-compose.yml

version: '3'

services:
  php:
    container_name: php
    build: ./docker/php
    volumes:
    - ./src:/var/www
    links:
    - db

  nginx:
    image: nginx
    container_name: nginx
    ports:
    - 80:80
    volumes:
    - ./src:/var/www
    - ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf
    depends_on:
    - php

  db:
    image: mysql:5.7
    container_name: db
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: laravel
      MYSQL_USER: docker
      MYSQL_PASSWORD: docker
      TZ: 'Asia/Tokyo'
    command: mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
    volumes:
    - ./docker/db/data:/var/lib/mysql
    - ./docker/db/my.cnf:/etc/mysql/conf.d/my.cnf
    - ./docker/db/sql:/docker-entrypoint-initdb.d
    ports:
    - 3306:3306