FROM alpine:latest RUN apk add --no-cache --upgrade \ curl certbot openssl RUN mkdir -p /etc/periodic/12h \ && mkdir -p /etc/periodic/5min COPY certbot-* duckdns start-certbot-duckdns.sh /usr/local/bin/ COPY etc/periodic/ /etc/periodic/ VOLUME /etc/letsencrypt/ ENTRYPOINT [ "/bin/sh", "-c" ] CMD [ "duckdns; certbot-duckdns; start-certbot-duckdns.sh" ]