Fluentd logging driver The fluentd logging driver sends container logs to the Fluentd collector as structured log data. Then, users can use any of the various output plugins of Fluentd to write these logs to various destinations. In addition to the log message itself, the fluentd log driver sends the following metadata in the structured log message: Field Description container_id The full 64-character container ID. container_name The container name at the time it was started. If you use docker

Quickstart: Docker Compose and WordPress You can use Docker Compose to easily run WordPress in an isolated environment built with Docker containers. This quick-start guide demonstrates how to use Compose to set up and run WordPress. Before starting, you’ll need to have Compose installed. Define the project Create an empty project directory. You can name the directory something easy for you to remember. This directory is the context for your application image. The directory should only contain

Manage keys for content trust Trust for an image tag is managed through the use of keys. Docker’s content trust makes use of five different types of keys: Key Description root key Root of content trust for an image tag. When content trust is enabled, you create the root key once. Also known as the offline key, because it should be kept offline. targets This key allows you to sign image tags, to manage delegations including delegated keys or permitted delegation paths. Also known as the reposito

OpenStack Create machines on OpenStack Mandatory: --openstack-auth-url: Keystone service base URL. --openstack-flavor-id or --openstack-flavor-name: Identify the flavor that will be used for the machine. --openstack-image-id or --openstack-image-name: Identify the image that will be used for the machine. $ docker-machine create --driver openstack vm Options: --openstack-active-timeout: The timeout in seconds until the OpenStack instance must be active. --openstack-availability-zone: The

env Set environment variables to dictate that docker should run a command against a particular machine. $ docker-machine env --help Usage: docker-machine env [OPTIONS] [arg...] Display the commands to set up the environment for the Docker client Description: Argument is a machine name. Options: --swarm Display the Swarm config instead of the Docker daemon --shell Force environment to be configured for a specified shell: [fish, cmd, powershell], default is sh/bash --unset, -u

diff Usage: docker diff [OPTIONS] CONTAINER Inspect changes on a container's filesystem --help Print usage List the changed files and directories in a container᾿s filesystem There are 3 events that are listed in the diff: A - Add D - Delete C - Change For example: $ docker diff 7bb0e258aefe C /dev A /dev/kmsg C /etc A /etc/mtab A /go A /go/src A /go/src/github.com A /go/src/github.com/docker A /go/src/github.com/docker/docker A /go/src/github.com/docker/docker/.git ....

build Usage: docker build [OPTIONS] PATH | URL | - Build a new image from the source code at PATH --build-arg=[] Set build-time variables --cpu-shares CPU Shares (relative weight) --cgroup-parent="" Optional parent cgroup for the container --cpu-period=0 Limit the CPU CFS (Completely Fair Scheduler) period --cpu-quota=0 Limit the CPU CFS (Completely Fair Scheduler) quota --cpuset-cpus=""

VMware vSphere Creates machines on a VMware vSphere Virtual Infrastructure. The machine must have a working vSphere ESXi installation. You can use a paid license or free 60 day trial license. Your installation may also include an optional VCenter server. $ docker-machine create --driver vmwarevsphere --vmwarevsphere-username=user --vmwarevsphere-password=SECRET vm Options: --vmwarevsphere-username: required vSphere Username. --vmwarevsphere-password: required vSphere Password. --vmwarevspher

CentOS Docker runs on CentOS 7.X. An installation on other binary compatible EL7 distributions such as Scientific Linux might succeed, but Docker does not test or support Docker on these distributions. This page instructs you to install using Docker-managed release packages and installation mechanisms. Using these packages ensures you get the latest release of Docker. If you wish to install using CentOS-managed packages, consult your CentOS documentation. Prerequisites Docker requires a 64-bit

commit Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]] Create a new image from a container's changes -a, --author="" Author (e.g., "John Hannibal Smith <hannibal@a-team.com>") -c, --change=[] Apply specified Dockerfile instructions while committing the image --help Print usage -m, --message="" Commit message -p, --pause=true Pause container during commit It can be useful to commit a container’s file changes or settings into a new image.