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Docker で起動した MongoDB に接続する

ポイントは、 mongod コンテナ(サーバ)と mongo コンテナ(クライアント)を同じ network に所属させること。


❯ docker network create some-network

mongod 起動

❯ docker run --rm --name some-mongo --network some-network -d mongo:latest

mongo シェルを起動して mongod に接続

❯ docker run -it --rm --network some-network mongo:latest mongo --host some-mongo test
MongoDB shell version v4.4.3
connecting to: mongodb://some-mongo:27017/test?compressors=disabled&gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("a0020bc3-1590-4dd4-8366-75adb966352d") }
MongoDB server version: 4.4.3
Welcome to the MongoDB shell.
For interactive help, type "help".
For more comprehensive documentation, see
Questions? Try the MongoDB Developer Community Forums
The server generated these startup warnings when booting:
        2021-01-26T08:10:47.064+00:00: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine. See http://dochub.mongodb.org/core/prodnotes-filesystem
        2021-01-26T08:10:47.239+00:00: Access control is not enabled for the database. Read and write access to data and configuration is unrestricted
        Enable MongoDB's free cloud-based monitoring service, which will then receive and display
        metrics about your deployment (disk utilization, CPU, operation statistics, etc).

        The monitoring data will be available on a MongoDB website with a unique URL accessible to you
        and anyone you share the URL with. MongoDB may use this information to make product
        improvements and to suggest MongoDB products and deployment options to you.

        To enable free monitoring, run the following command: db.enableFreeMonitoring()
        To permanently disable this reminder, run the following command: db.disableFreeMonitoring()