FROM alpine:3.8 RUN apk add --no-cache certbot nginx nginx-mod-mail openssl curl \ python py-jinja2 py-requests-toolbelt py-pip \ && pip install --upgrade pip \ && pip install idna COPY conf /conf COPY *.py / EXPOSE 80/tcp 443/tcp 110/tcp 143/tcp 465/tcp 587/tcp 993/tcp 995/tcp 25/tcp 10025/tcp 10143/tcp VOLUME ["/certs"] CMD /start.py HEALTHCHECK CMD curl -f -L http://localhost/ || exit 1