Dockerfile
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Internal
Overview
A Dockerfile defines how a container should look at build time, and it contains all the steps that are required to create the image. Each command (line) in the Dockerfile generates a new layer in the image.
Commands
FROM
Specifies the base image.
FROM node:0.10
USER
The user to run a container's processes as.
Also see Docker Security
ENV
RUN
ADD
WORKDIR
CMD
MAINTAINER
LABEL
Applies a label to the image.
LABEL "something"="something else" "other label"="some other content"