docker-compose.yml

version: '3.3'

services:
    #service 1: definition of mysql database
    db:
      image: mysql:latest
      container_name: mysql-db2
      volumes:
        - /home/julio/dev/volume/mysql:/var/lib/mysql
      environment:
        MYSQL_ROOT_PASSWORD: root
        MYSQL_DATABASE: authdb
        MYSQL_USER: authuser
        MYSQL_PASSWORD: changeit
      ports:
        - "3306:3306"
      restart: always
      
    
    #service 2: definition of phpMyAdmin
    phpmyadmin:
      image: phpmyadmin/phpmyadmin:latest
      container_name: my-php-myadmin
      ports:
        - "8082:80"
      restart: always   
      depends_on:
        - db


    authservice    :                        #it is just a name, which will be used only in this file.
      image: auth-service                   #name of the image after dockerfile executes
      container_name: auth-service-app  #name of the container created from docker image
      build:
        context: .                          #docker file path (. means root directory)
        dockerfile: Dockerfile              #docker file name
      ports:
        - "8083:8083"                       #docker containter port with your os port
      restart: always
        
      depends_on:                           #define dependencies of this app
        - db                                #dependency name (which is defined with this name 'db' in this file earlier)