Loaded: loaded (/lib/systemd/system/rvice enabled vendor preset: enabled)Īctive: active (running) since Wed 13:51:22 EDT 2min 13s ago * rvice - Docker Application Container Engine Get:5 xenial/stable amd64 docker-ce amd64 18.06.0~ce~3-0~ubuntu įetched 40.3 MB in 1s (38.4 systemctl status docker Get:3 xenial/universe amd64 cgroupfs-mount all 1.2 Get:1 xenial/universe amd64 pigz amd64 2.3.1-2 The following NEW packages will be installed:Īufs-tools cgroupfs-mount docker-ce libltdl7 pigzĠ upgraded, 5 newly installed, 0 to remove and 0 not upgraded.Īfter this operation, 198 MB of additional disk space will be used. The following additional packages will be installed: With a Dockerfile, the Docker daemon can automatically build the container image.Įxample: The following is a basic Dockerfile which sets up an SSHd service in a container that we can use to connect to, and inspect other containers volumes, or get quick access to a test apt-get install -y docker-ce Dockerfiles: Dockerfiles are merely text documents (.yaml files) that contains all the configuration information and commands needed to assemble a container image.Then, using a single command, you can create and start all the services from that file. With Compose, a single configuration file is used to set up all of your application's services. Docker Compose: Docker Compose is a tool that defines, manages and controls multi-container Docker applications. Any Docker container can run on any server that has the Docker-daemon enabled, regardless of the underlying operating system. Docker Engine: The Docker Engine is a layer that exists between containers and the Linux kernel and runs the containers.
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