docker-compose

version: ‘3‘
services:
  web:
    build: .
    ports:
      - "5000:5000"
    volumes:
      - .:/code
      - logvolume01:/var/log
    links:
      - redis
  redis:
    image: redis

volumes:
  logvolume01: {}

sudo curl -L"https://github.com/docker/compose/releases/download/1.24.0/docker-compose-$(uname -s)-$(uname -m)"-o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker-compose --version
docker-compose version 1.24.0, build 1110ad01

Define and run multi-container applications with Docker.


Usage:

docker-compose [-f <arg>...] [options] [COMMAND] [ARGS...]

docker-compose -h|--help


Options:

-f, --file FILE Specify an alternate compose file (default: docker-compose.yml)，env：COMPOSE_FILE

-p, --project-name NAME Specify an alternate project name (default: directory name)，env：COMPOSE_PROJECT_NAME

--verbose Show more output

--log-level LEVEL Set log level (DEBUG, INFO, WARNING, ERROR, CRITICAL)

--no-ansi Do not print ANSI control characters

-v, --version Print version and exit

-H, --host HOST Daemon socket to connect to


--tls Use TLS; implied by --tlsverify

--tlscacert CA_PATH Trust certs signed only by this CA

--tlscert CLIENT_CERT_PATH Path to TLS certificate file

--tlskey TLS_KEY_PATH Path to TLS key file

--tlsverify Use TLS and verify the remote

--skip-hostname-check Don‘t check the daemon‘s hostname against the name specified in the client certificate

--project-directory PATH Specify an alternate working directory (default: the path of the Compose file)

--compatibility If set, Compose will attempt to convert deploy keys in v3 files to their non-Swarm equivalent


Commands:

build Build or rebuild services

bundle Generate a Docker bundle from the Compose file

config Validate and view the Compose file

create Create services

down Stop and remove containers, networks, images, and volumes

events Receive real time events from containers

exec Execute a command in a running container

help Get help on a command

images List images

kill Kill containers

logs View output from containers

pause Pause services

port Print the public port for a port binding

ps List containers

pull Pull service images

push Push service images

restart Restart services

rm Remove stopped containers

run Run a one-off command

scale Set number of containers for a service

start Start services

stop Stop services

top Display the running processes

unpause Unpause services

up Create and start containers

version Show the Docker-Compose version information

--no-color 单色输出，不显示其他颜.
-f, --follow 跟踪日志输出，就是可以实时查看日志
-t, --timestamps 显示时间戳
--tail 从日志的结尾显示，--tail=200

image: postgres

ports：
  - "8000"
  - "8080"
  - "8090"

version: "3"
services:
 
  redis:
    image: redis:alpine
    ports:
      - "6379"
    networks:
      - frontend
    deploy:
      replicas: 2
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: on-failure
 
  db:
    image: postgres:9.4
    volumes:
      - db-data:/var/lib/postgresql/data
    networks:
      - backend
    deploy:
      placement:
        constraints: [node.role == manager]
 
  vote:
    image: dockersamples/examplevotingapp_vote:before
    ports:
      - 5000:80
    networks:
      - frontend
    depends_on:
      - redis
    deploy:
      replicas: 2
      update_config:
        parallelism: 2
      restart_policy:
        condition: on-failure
 
  result:
    image: dockersamples/examplevotingapp_result:before
    ports:
      - 5001:80
    networks:
      - backend
    depends_on:
      - db
    deploy:
      replicas: 1
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: on-failure
 
  worker:
    image: dockersamples/examplevotingapp_worker
    networks:
      - frontend
      - backend
    deploy:
      mode: replicated
      replicas: 1
      labels: [APP=VOTING]
      restart_policy:
        condition: on-failure
        delay: 10s
        max_attempts: 3
        window: 120s
      placement:
        constraints: [node.role == manager]
 
  visualizer:
    image: dockersamples/visualizer:stable
    ports:
      - "8080:8080"
    stop_grace_period: 1m30s
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    deploy:
      placement:
        constraints: [node.role == manager]
 
networks:
  frontend:
  backend:
 
volumes:
  db-data:

services:
  web:
    image: nginx

build: ./dir
---------------
build:
  context: ./dir
  dockerfile: Dockerfile
  args:
    buildno: 1

command: bundle exec thin -p 3000
----------------------------------
command: [“bundle”,”exec”,”thin”,”-p”,”3000”]

dns: 8.8.8.8
------------
dns:
  - 8.8.8.8
  - 9.9.9.9

dns_search: example.com
------------------------
dns_search:
  - dc1.example.com
  - dc2.example.com

environment:
  RACK_ENV: development
  SHOW: ‘ture‘
-------------------------
environment:
  - RACK_ENV=development
  - SHOW=ture

env_file: .env
---------------
env_file:
  - ./common.env

expose:
  - "3000"
  - "8000"

network_mode: "bridge"
network_mode: "host"
network_mode: "none"
network_mode: "service:[service name]"
network_mode: "container:[container name/id]"

ports: # 暴露端口信息 - "宿主机端口:容器暴露端口"
  - "8763:8763"
  - "8763:8763"

- docker-compose-eureka-server:compose-eureka

volumes:

// 只是指定一个路径，Docker 会自动在创建一个数据卷（这个路径是容器内部的）。

  - /var/lib/mysql 

// 使用绝对路径挂载数据卷

  - /opt/data:/var/lib/mysql 

// 以 Compose 配置文件为中心的相对路径作为数据卷挂载到容器。

  - ./cache:/tmp/cache 

// 使用用户的相对路径（~/ 表示的目录是 /home/<用户目录>/ 或者 /root/）。

  - ~/configs:/etc/configs/:ro

// 已经存在的命名的数据卷。

  - datavolume:/var/lib/mysql