nsupdate/docker/Dockerfile

30 lines
744 B
Docker
Executable File

FROM alpine:latest
ENV TZ "UTC"
ENV SCHEDULE="* * * * *"
## Configure runtime variables for nsupdate
ENV NSUPDATE_CONFD_DIR="/config"
ENV NSUPDATE_LOG_DIR="/log"
## Install requirements
RUN apk update
RUN apk add --no-cache git curl libxml2-utils tzdata
# Read timezone from server, so in docker-compose you can change TZ
RUN ln -sf "/usr/share/zoneinfo/${TZ}" /etc/localtime && \
echo "${TZ}" > /etc/timezone && date
# Cache Bust upon new commits
ADD https://api.github.com/repos/chrisb86/nsupdate/git/refs/heads/master /.git-hashref
COPY nsupdate.sh /usr/local/bin/nsupdate.sh
RUN chmod +x /usr/local/bin/nsupdate.sh
COPY docker/entrypoint.sh /
RUN chmod +x /entrypoint.sh
ENTRYPOINT ["/entrypoint.sh"]
VOLUME /config
VOLUME /log