一套基于docker的多实例部署测试脚手架

.
├── conf
│   ├── default.conf
│   └── my-order.conf
├── docker-compose.yml
├── Dockerfile
├── entrypoint.sh
└── lib
    ├── readme.md
    └── simple-order-1.0-SNAPSHOT.jar

FROM openjdk:8
COPY ./lib /usr/src/myapp
WORKDIR /usr/src/myapp
COPY entrypoint.sh .

ENV server_port 8080

ENTRYPOINT [ "/bin/bash","entrypoint.sh" ]

#!/bin/bash
echo 'start' > a;
echo "cur port: $server_port" >> a;
# tail -f a;
java -jar *.jar --server.port=${server_port}

upstream order{
    server myapp:8080;
    server myapp2:8080;
}

server {
    listen       8090;
    server_name  _;

    #access_log  /var/log/nginx/host.access.log  main;

    location / {
        proxy_pass http://order;
    }


}

version: '3'
services:
  myapp:
    build: 
      context: ./
    image: ryan/myapp:8
    environment: 
      - server_port=8080
    ports: 
      - 8083:8080
    cpu_count: 2
    mem_limit: 4gb
    # deploy:
    #   mode: replicated
    #   replicas: 2
    #   endpoint_mode: vip
  myapp2:
    image: ryan/myapp:8
    environment: 
      - server_port=8080
    ports: 
      - 8084:8080
    cpu_count: 2
    mem_limit: 4gb
    depends_on: 
      - myapp
  ng: 
    image: nginx
    volumes:
      - ./conf:/etc/nginx/conf.d
    ports:
      - "80:80"
      - "8090:8090"
    links: 
      - myapp
      - myapp2
    environment:
      - NGINX_HOST=foobar.com
      - NGINX_PORT=80