Docker Tips: Using Docker Config
Docker Tips: Using Docker Config FROM nginx:1.13.6 COPY nginx.conf /etc/nginx/nginx.conf Using the Docker CLI, we can create a config from this configuration file, we name this config proxy.
$ docker config create proxy nginx.conf mdcfnxud53ve6jgcgjkhflg0s $ docker config inspect proxy [ { "ID": "x06uaozphg9kbnf8g4az4mucn", "Version": { "Index": 2723 }, "CreatedAt": "2017-11-21T07:49:09.553666064Z", "UpdatedAt": "2017-11-21T07:49:09.553666064Z", "Spec": { "Name": "proxy", "Labels": {}, "Data": "dXNlciB3d3ctZGF0YTsKd29y...ogIgICAgIH0KICAgIH0KfQo=" } } ] Use a Config $ docker network create --driver overlay front $ docker service create --name api --network front lucj/api $ docker service create --name proxy \ --network front \ --config src=proxy,target=/etc/nginx/nginx.conf \ --port 8000:8000 \ nginx:1.13.6 Service Update When the content of a configuration needs to be modified, it’s a common pattern to create a new config (using docker config create), and then to update the service order to remove the access to the previous config, and to add the access to the new one. The service commands are--config-rm and --config-add.