First push from Satoshi Portal's own cyphernode

cron_docker/Dockerfile

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+FROM alpine
+
+RUN apk add --update --no-cache \
+    curl
+
+COPY callbacks_cron /etc/periodic/15min/callbacks_cron
+
+RUN chmod +x /etc/periodic/15min/callbacks_cron
+
+ENTRYPOINT ["crond"]
+CMD ["-f"]

cron_docker/README.md

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+# Cyphernode CRON container
+
+## Configure your container by modifying `env.properties` file
+
+```properties
+PROXY_URL=cyphernode:8888/executecallbacks
+```
+
+## Building docker image
+
+```shell
+docker build -t proxycronimg .
+```

cron_docker/callbacks_cron

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+#!/bin/sh
+
+curl ${PROXY_URL}

cron_docker/env.properties

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+PROXY_URL=cyphernode:8888/executecallbacks