Dockerfile

FROM centos:7 AS base

COPY RPM-GPG-KEY-redhat-release /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
COPY ostree-master.repo ignition.repo /etc/yum.repos.d/
COPY . /srv/tree/

RUN yum install -y rpm-ostree epel-release && \
    yum install -y nginx

COPY nginx.conf /etc/nginx/nginx.conf

RUN cd /srv/tree/ && mkdir build-repo && \
    ostree --repo=build-repo init --mode=bare-user && \
    mkdir repo && \
    ostree --repo=repo init --mode=archive

FROM base

RUN cd /srv/tree && \
    rpm-ostree compose tree --repo=/srv/tree/build-repo host.json && \
    ostree --repo=repo pull-local build-repo openshift/3.10/x86_64/os && \
    ostree --repo=repo summary -u && \
    rm -rf build-repo

COPY index.html subdomain.css /srv/tree/repo/

CMD ["nginx", "-c", "/etc/nginx/nginx.conf"]