docker-compose.yaml

version: '3'

networks:
  mariadb-spring:
    driver: bridge

services:
  db:
    image: mariadb:latest
    restart: always
    volumes:
      - ./database:/var/lib/mysql
      # - ./shoe_shopdb.sql:/docker-entrypoint-initdb.d/shoe_shopdb.sql
    networks:
      - mariadb-spring
    environment:
# This is the need ENV for mariadb. 
      MYSQL_ROOT_PASSWORD: ${DATABASE_ROOT_PASSWORD}
      MYSQL_DATABASE : ${DATABASE_NAME}
      MYSQL_USER: ${DATABASE_USERNAME}
      MYSQL_PASSWORD: ${DATABASE_PASSWORD}
      DATABASE_PORT: ${DATABASE_PORT}

  app:
    build:
      context: .
      dockerfile: Dockerfile
    depends_on:
      - db
    restart: always
    networks:
      - mariadb-spring
    ports:
      - "8081:8080"
    environment:
# Connnection String for app. It gonna override the string in application.properties
      SPRING_DATASOURCE_URL: jdbc:mysql://${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_NAME}
      SPRING_DATASOURCE_USERNAME: ${DATABASE_USERNAME}
      SPRING_DATASOURCE_PASSWORD: ${DATABASE_PASSWORD}