它没有错误启动。 和docker列出3个运行容器
docker-compose up -d docker ps e90e5a8b5d33 my_app / api/ usr / local / bin / node0.0.0.0:3000->3000/tcp my_app_api_1 42bfcd971b16 mongo:3/entrypoint.sh mongo27017 / tcp my_app_db_1 a0685a816c47 rabbitmq:3/docker-entrypoint.s4369 / tcp,5671-5672 / tcp,25672 / tcp my_app_mq_1但是,当我尝试链接到从另一个容器运行容器的那些
docker run --link my_app_mq_1:mq --link my_app_db_1:db -it worker我收到错误
docker:守护程序的响应错误:无法链接到/ my_app_mq_1,因为它不属于默认网络。我也尝试过
docker run --link my_app_mq_1:mq --link my_app_db_1:db -it --net default worker同样的错误。
那么如何链接到由docker-compose开始运行的容器?
解决方案好的,找到答案。如果有人遇到同样的问题,只需执行
docker network ls此命令列出了所有Docker网络。 docker-compose将在运行docker-compose时创建一个新的网络。在我的情况下,网络命名为myapp_default。
注意:您的应用程序的网络根据项目名称它基于其所在目录的名称。您可以使用--project-name标志或COMPOSE_PROJECT_NAME环境变量覆盖项目名称。 撰写网络
所以链接到这些容器的正确方法是
docker run --link my_app_mq_1:mq --link my_app_db_1:db - 它--net myapp_default worker
I am setting up my local development environment with docker containers. The docker-compose.yml is like following
version: '2' services: db: image: mongo:3 mq: image: rabbitmq:3 api: build: . image: my_app/api ports: - "3000:3000" links: - db - mq environment: - NODE_ENV=developmentIt starts without error. And docker lists 3 running containers
docker-compose up -d docker ps e90e5a8b5d33 my_app/api "/usr/local/bin/node " 0.0.0.0:3000->3000/tcp my_app_api_1 42bfcd971b16 mongo:3 "/entrypoint.sh mongo" 27017/tcp my_app_db_1 a0685a816c47 rabbitmq:3 "/docker-entrypoint.s" 4369/tcp, 5671-5672/tcp, 25672/tcp my_app_mq_1However when I try to link to those running containers from another container
docker run --link my_app_mq_1:mq --link my_app_db_1:db -it workerI get error
docker: Error response from daemon: Cannot link to /my_app_mq_1, as it does not belong to the default network.I have also tried
docker run --link my_app_mq_1:mq --link my_app_db_1:db -it --net default workerSame error.
So how can I link to a running container started by docker-compose?
解决方案Ok, found the answer to it. In case anyone else comes across the same problem, just do
docker network lsThis command lists all the docker networks. docker-compose will create a new network when you run docker-compose up. In my case, the network is named as myapp_default.
Note: Your app’s network is given a name based on the "project name", which is based on the name of the directory it lives in. You can override the project name with either the --project-name flag or the COMPOSE_PROJECT_NAME environment variable. Networking in Compose
So the correct way to link to those containers is
docker run --link my_app_mq_1:mq --link my_app_db_1:db -it --net myapp_default worker
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无法链接到由docker
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