FROM ruby:2.2.2
ENV APP_HOME /myapp
RUN mkdir $APP_HOME
RUN bundle install
WORKDIR /myapp
VOLUME ["/data"]
# Specification for mount point
ADD file.xyz /file.xyz
COPY --chown=user:group host_file.xyz /path/container_file.xyz
ONBUILD RUN bundle install
# when used with another file
EXPOSE 5900
CMD ["bundle", "exec", "rails", "server"]
ENTRYPOINT ["executable", "param1", "param2"]
ENTRYPOINT command param1 param2
Configures a container that will run as an executable.
ENTRYPOINT exec top -b
This will use shell processing to substitute shell variables, and will ignore any CMD or docker run command line arguments.
LABEL version="1.0"
LABEL "com.example.vendor"="ACME Incorporated"
LABEL com.example.label-with-value="foo"
LABEL description="This text illustrates \
that label-values can span multiple lines."
| Name | Description |
|---|---|
| docker | A self-sufficient runtime for containers. |
| docker-compose | Define and run multi-container applications with Docker. |
| docker-compose | How to write docker-compose YAML. |