version: '3'

services:
  docker-mysql:
    image: mysql:latest
    environment:
      - MYSQL_ROOT_PASSWORD=root
      - MYSQL_DATABASE=test
      - MYSQL_PASSWORD=root
  docker-moip-api:
    image: marioalvial/test:latest
    depends_on:
      - docker-mysql
    ports:
      - 8080:8080
    build:
      context: .
      dockerfile: Dockerfile

    environment:
      - DATABASE_HOST=docker-mysql
      - DATABASE_USER=root
      - DATABASE_PASSWORD=root
      - DATABASE_NAME=test
      - DATABASE_PORT=3306

--------------------------------------------

Dockerfile:

FROM maven:3.5.2-alpine
WORKDIR /usr/src/java-code
COPY . /usr/src/java-code
RUN mvn package

WORKDIR /usr/src/java-app
RUN cp /usr/src/java-code/target/*.jar ./app.jar
EXPOSE 8080
CMD ["java", "-jar", "app.jar"]