Docker 部署

Dockerfile

FROM eclipse-temurin:17-jre-alpine
WORKDIR /app
COPY target/*.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "app.jar"]

docker-compose.yml

version: '3.8'

services:
  app:
    build: .
    ports:
      - "8080:8080"
    environment:
      - SPRING_DATASOURCE_URL=jdbc:postgresql://db:5432/mydb
      - SPRING_DATASOURCE_USERNAME=user
      - SPRING_DATASOURCE_PASSWORD=password
    depends_on:
      - db

  db:
    image: postgres:15
    environment:
      - POSTGRES_USER=user
      - POSTGRES_PASSWORD=password
      - POSTGRES_DB=mydb
    volumes:
      - postgres_data:/var/lib/postgresql/data

volumes:
  postgres_data:

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