This is then populated with the files and folders included in the image. The path to the shared directory on the server. Además, como hemos visto, podremos indicar que volúmen va a utilizar cada contenedor. Además de definir los services, con docker-compose podemos definir los volúmenes que vamos a necesitar en nuestra infraestructura. 5, Specifies the environment variables used by docker, docker-compose, and other Docker tools to connect. The first volume mount binds your host directory into the container but the second one overrides it with an empty volume at /opt/app/node_modules. The IP or web address of the remote NFS server. Almacenamiento con docker-compose Definiendo volúmenes docker con docker-compose. 12, The storage driver for the Docker volume. If you run npm install as part of your Dockerfile, /opt/app/node_modules will already contain all your dependencies. and Compose reference on volume configuration. static target : /opt/app/static volumes : myapp : For more information about using volumes of the bind type with Compose, see Compose reference on volumes. Legacy versions 2.x and 3. A single Docker Compose service with a bind mount looks like this: services : frontend : image : node:lts volumes : - type : bind source. volumes: - type: bind <- not 'volume' source: /host/folder target: /container/folder/. Since youre mounting a host directory, you need to specify type: bind in the extended syntax. Docker keeps data but creates a new volume from host folder every 'run' 1. The type: field says whether its a named volume, a bind mount, or a couple of other things. If our file has a different name than the default one (docker-compose. Docker compose always makes a new volume instead of using named ones. This works because Docker automatically populates newly created empty volumes with the existing content of the destination path they're mounted to. It helps you define a Compose file which is used to configure your Docker application’s services, networks, volumes, and more. Docker-compose volume doesnt work as expected. However /opt/app/node_modules will contain the original content provided by the base image, instead of your host's ~/app/node_modules directory. This container will start with the contents of your host's ~/app directory accessible at /opt/app. it will remove the path volumes and recreate them so all data stored in your docker volume (and not stored in local folder) will be removed. if you run these commands your problem will solve: docker-compose down. If you're mounting ~/app to /opt/app in your container, you can exclude the ~/app/node_modules directory by mounting a second empty volume to /opt/app/node_modules: esmailzadeh (Esmailzadeh) December 27, 2019, 12:49pm 5. Subdirectories can be excluded from a volume mount using a simple technique: create another mount at the path you want to ignore. How to Exclude Subdirectories from Docker Volume Mounts
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