docker backups

> Updating README
> Adding bash script

docker_backups/docker_backups.sh

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+#!/bin/bash
+#
+#
+#   Make sure to set username to your own.
+#   You will need to change it in (3) places.
+#
+#       [USERNAME]
+#
+#
+# Location of the log file
+LOGFILE="/home/[USERNAME]/scripts/backups/docker_backups_logs/docker_backups.log"
+
+# Location of backup files. This can be a mapped NAS location if needed.
+BACKUPLOCATION="/home/[USERNAME]/server_backups/docker_zips/"
+
+# Generate a timestamp
+timestamp=$(date +"%Y-%m-%d")
+
+# Capture the start time
+start_time=$(date +%s)
+
+# Log the start of the backup
+echo "[$(date +"%Y-%m-%d %H:%M:%S")] Starting backup" | tee -a "$LOGFILE"
+
+
+
+# Step 0: Delete backups older than two weeks
+echo "[$(date +"%Y-%m-%d %H:%M:%S")] Deleting backups older than two weeks..." | tee -a "$LOGFILE"
+sudo find "$BACKUPLOCATION" -name "docker_backups_*.tar.gz" -mtime +14 -exec rm {} \; 2>&1 | tee -a "$LOGFILE"
+
+# Capture the list of running Docker containers
+running_containers=$(sudo docker ps --format "{{.Names}}")
+
+
+
+# Check if there are any running containers
+echo " " | tee -a "$LOGFILE"
+echo " " | tee -a "$LOGFILE"
+
+if [ -z "$running_containers" ]; then
+  echo "[$(date +"%Y-%m-%d %H:%M:%S")] No Docker containers are running." | tee -a "$LOGFILE"
+else
+  echo "[$(date +"%Y-%m-%d %H:%M:%S")] Currently running Docker containers:" | tee -a "$LOGFILE"
+  echo "$running_containers" | tee -a "$LOGFILE"
+
+  # Step 1: Stop all running Docker containers
+  echo " " | tee -a "$LOGFILE"
+  echo " " | tee -a "$LOGFILE"
+  echo "[$(date +"%Y-%m-%d %H:%M:%S")] Stopping all running Docker containers..." | tee -a "$LOGFILE"
+  sudo docker stop $running_containers 2>&1 | tee -a "$LOGFILE"
+fi
+
+
+
+# Step 2: Create a tarball (zip) of your custom Docker folder with a timestamp
+echo " " | tee -a "$LOGFILE"
+echo " " | tee -a "$LOGFILE"
+echo "[$(date +"%Y-%m-%d %H:%M:%S")] Creating tarball backup of custom Docker directory..." | tee -a "$LOGFILE"
+
+# Create backup in backup location defined above
+sudo tar czvf "${BACKUPLOCATION}docker_backups_${timestamp}.tar.gz" /home/[USERNAME]/docker 2>&1 | tee -a "$LOGFILE"
+
+
+
+# Step 3: Restart all previously running Docker containers if any were running
+if [ -n "$running_containers" ]; then
+  echo " " | tee -a "$LOGFILE"
+  echo " " | tee -a "$LOGFILE"
+  echo "[$(date +"%Y-%m-%d %H:%M:%S")] Restarting all previously running Docker containers..." | tee -a "$LOGFILE"
+  sudo docker start $running_containers 2>&1 | tee -a "$LOGFILE"
+fi
+
+# Capture the end time
+end_time=$(date +%s)
+
+# Calculate the duration in minutes and remaining seconds
+duration=$((end_time - start_time))
+minutes=$((duration / 60))
+seconds=$((duration % 60))
+
+# Log and display the duration
+echo " " | tee -a "$LOGFILE"
+echo " " | tee -a "$LOGFILE"
+echo "[$(date +"%Y-%m-%d %H:%M:%S")] Backup process completed in ${minutes} minutes, ${seconds} seconds." | tee -a "$LOGFILE"
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