Docs/CloudNative/Docker/docker-compose相关.md
2022-10-18 16:59:37 +08:00

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常用命令
```
docker-compose up -d nginx 构建建启动nignx容器
docker-compose exec nginx bash 登录到nginx容器中
docker-compose down 删除所有nginx容器,镜像
docker-compose ps 显示所有容器
docker-compose restart nginx 重新启动nginx容器
docker-compose run --no-deps --rm php-fpm php -v 在php-fpm中不启动关联容器并容器执行php -v 执行完成后删除容器
docker-compose build nginx 构建镜像 。
docker-compose build --no-cache nginx 不带缓存的构建。
docker-compose logs nginx 查看nginx的日志
docker-compose logs -f nginx 查看nginx的实时日志
docker-compose config -q 验证docker-compose.yml文件配置当配置正确时不输出任何内容当文件配置错误输出错误信息。
docker-compose events --json nginx 以json的形式输出nginx的docker日志
docker-compose pause nginx 暂停nignx容器
docker-compose unpause nginx 恢复ningx容器
docker-compose rm nginx 删除容器(删除前必须关闭容器)
docker-compose stop nginx 停止nignx容器
docker-compose start nginx 启动nignx容器
```
## yaml官方示例解析
```
version: "3.7"
services:
## 使用已有镜像redis:alpine
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:
```
### 说明:
#### 容器不仅可以使用已有的镜像构建还可以使用Dockerfile
```
## Dockerfile所在目录可以是相对路径也可以是绝对路径
build: /path/to/dir
build: ./dir
build:
context: ../
dockerfile: path/of/Dockerfile
```
####