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mailu/optional/traefik-certdumper/Dockerfile

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Use alpine versioned and defin volumes
FROM alpine:3.8
Add docker to dump traefiks certificates to pem This is required since traefik sitting on HTTP is able to grab LetsEncrypt certificates which then need to be injected into the front container.
RUN apk --no-cache add inotify-tools jq openssl util-linux bash docker
# while not strictly documented, this script seems to always(?) support previous acme.json versions too
RUN wget https://raw.githubusercontent.com/containous/traefik/master/contrib/scripts/dumpcerts.sh -O dumpcerts.sh
Use alpine versioned and defin volumes
VOLUME ["/traefik"]
VOLUME ["/output"]
Add docker to dump traefiks certificates to pem This is required since traefik sitting on HTTP is able to grab LetsEncrypt certificates which then need to be injected into the front container.
COPY run.sh /
ENTRYPOINT ["/run.sh"]