Initial commit

README.md

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+# backup-containers
+Dockerfile used to perform automatic backups on volumes

backup/Crontab

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+0 0 * * * * /backup.sh

backup/Dockerfile

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+# god i suck at docker
+FROM debian AS base
+RUN apt update && apt install tar cron openssh-client rsync -y
+COPY Crontab /etc/cron.d/autorun
+COPY backup.sh /backup.sh
+COPY init.sh /init.sh
+RUN chmod +x /backup.sh /init.sh
+RUN mkdir -p /tmp /volumes
+
+CMD [ "/bin/bash", "/init.sh" ]

backup/backup.sh

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+#!/bin/bash
+
+source /.env
+
+FILENAME="$NAME $(date +%Y-%m-%d\ %H-%M).tgz"
+
+# tar volumes
+tar -aczf /tmp/$FILENAME -C /volumes .
+
+# ship to host
+rsync -R -e "ssh -i /id" /tmp/$FILENAME $NAME@$HOST:/home/$NAME/$(date +%Y\/%m)/

backup/init.sh

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+startup_check() {
+
+    if [[ -z "$(ls /volumes)" ]]; then
+        echo "Nothing in /volumes"
+        exit 1
+    fi
+    
+    if [[ ! -e "/.env" ]]; then
+        echo Missing .env file
+        exit 1
+    else
+        source /.env
+        if [[ -z "$NAME" ]]; then
+            echo Missing NAME in .env
+            exit 1
+        fi
+        if [[ -z "$HOST" ]]; then
+            echo Missing HOST in .env
+            exit 1
+        fi
+    fi
+
+    if [[ ! -e "/id" ]]; then
+        echo Missing ssh identity file
+        exit 1
+    fi
+
+    echo Startup check passed
+}
+
+startup_check
+/usr/sbin/cron &
+sleep infinity