Dockerfile指令模板

ARG指令
ARG  CODE_VERSION=latest
FROM base:${CODE_VERSION}

FROM指令
FROM centos:6.7

LABEL指令
LABEL maintainer="SvenDowideit@home.org.au"

COPY指令
COPY package.json /usr/src/app/
COPY hom* /mydir/
COPY hom?.txt /mydir/

ADD指令
ADD ubuntu-xenial-core-cloudimg-amd64-root.tar.gz /

RUN指令
RUN mkdir -p /usr/local/nginx \
    && yum install nginx 

EXPOSE指令
EXPOSE 3306
EXPOSE 80/tcp
EXPOSE 80/udp

VOLUME指令
VOLUME ["/data"]

WORKDIR指令
WORKDIR /path/to/workdir

CMD指令
CMD ["/usr/bin/wc","--help"]

ENTRYPOINT指令
CMD ["/usr/bin/wc","--help"]