FROM jwilder/docker-gen

VOLUME /tmp/dns.sock

RUN apk add --no-cache dnsmasq bash wget
RUN mkdir /app

ADD https://github.com/jwilder/forego/releases/download/v0.16.1/forego /usr/local/bin/forego
RUN chmod u+x /usr/local/bin/forego

ADD devdns.cfg /app/devdns.cfg
ADD dnsmasq.conf /etc/dnsmasq.conf
ADD resolv.conf /etc/resolv.conf
ADD dnsmasq.hosts.conf.tmpl /app/dnsmasq.hosts.conf.tmpl
ADD Procfile /app/Procfile

WORKDIR /app
ENTRYPOINT ["/usr/local/bin/forego","start","-r" ]

# Create a DNS container that will automatically
# create and update DNS entries for all containers
# running on the host.
#
# Requires start using -v /var/run/docker.sock:/tmp/docker.sock
#
# Any container startd with a -e ALIAS arg will have that
#  alias associated with it's IP address