dockerfile多阶段构建

FROM openresty/openresty:1.13.6.2-2-centos
ARG RESTY_YUM_REPO="http://mirrors.aliyun.com/repo/Centos-7.repo"
ARG WORK_DIR="/usr/local/openresty/nginx"
ARG USER=root
RUN sed -i 's/plugins=1/plugins=0/' /etc/yum.conf
RUN sed -i 's/enabled=1/enabled=0/' /etc/yum/pluginconf.d/fastestmirror.conf
RUN rm -rf /etc/yum.repos.d/CentOS*
RUN yum clean all 
    && yum-config-manager --add-repo ${RESTY_YUM_REPO} 
    && yum makecache 
    && rpm --rebuilddb 
    && yum install -y vim net-tools iproute 
    && yum groupinstall -y 'Development Tools'
RUN luarocks --tree=${WORK_DIR}/luarocks install lua-cjson 
    && luarocks --tree=${WORK_DIR}/luarocks install penlight 
    && luarocks --tree=${WORK_DIR}/luarocks install version 
    && luarocks --tree=${WORK_DIR}/luarocks install lua-resty-http 
    && luarocks --tree=${WORK_DIR}/luarocks install luaunit 
    && luarocks --tree=${WORK_DIR}/luarocks install ldoc 
    && luarocks --tree=${WORK_DIR}/luarocks install lua-discount 
    && luarocks --tree=${WORK_DIR}/luarocks install serpent 
    && luarocks --tree=${WORK_DIR}/luarocks install luacov 
    && luarocks --tree=${WORK_DIR}/luarocks install cluacov 
    && luarocks --tree=${WORK_DIR}/luarocks install mmdblua 
    && luarocks --tree=${WORK_DIR}/luarocks install lua-resty-jit-uuid 
    && luarocks --tree=${WORK_DIR}/luarocks install luasocket
    

FROM openresty/openresty:1.13.6.2-2-centos
ARG WORK_DIR="/usr/local/openresty/nginx"
ARG USER=root
COPY --from=0 ${WORK_DIR}/luarocks ${WORK_DIR}/luarocks
ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${WORK_DIR}/c_lib
ADD nginx/lib ${WORK_DIR}/lib
ADD nginx/c_lib ${WORK_DIR}/c_lib
ADD bin/go-dnsmasq /usr/local/bin/go-dnsmasq
ADD nginx/conf/nginx.conf.template ${WORK_DIR}/conf/nginx.conf.template
ADD nginx/conf/vhosts ${WORK_DIR}/conf/vhosts
ADD nginx/lua ${WORK_DIR}/lua
WORKDIR ${WORK_DIR}
ADD entrypoint.sh /entrypoint.sh
ENTRYPOINT /entrypoint.sh