Containerfile
From John Freier
Containerfile and Dockerfile are interchangeable for the most part.
OCI prefers the generic term Containerfile.
WORKDIR
This set the working directory, it will also create the directory if it doesn't exists.
WORKDIR /opt
COPY
This will copy a file from the local host to the container.
COPY app.tar /app
- user ADD if you want to have more options, like auto extract and git pulls.
ENV
To set an environment variable.
ENV EXAMPLE=/opt/example ENV APP_PROFILE=dev