Added utility for measuring peak memory requirements.

README.md

@@ -235,4 +235,9 @@ Ensure you update any central list or configuration within Shogun that keeps tra
 
 ```
 CONFIG_FILE=your_config_file.yaml
-```
+```
+
+## Tools and Scripts
+
+### docker_peak_mem.sh
+This bash script keeps track of the maximum memory usage of all running containers. It uses `docker stats` to accomplish this. This is intended to help determine the necessary memory requirements for a lab server while testing new container builds.

docker_peak_mem.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Initialize peak memory usage variable for each container
+declare -A peak_memory_usage
+
+while true; do
+  # Get the memory usage for all running containers
+  docker_stats=$(docker stats --no-stream --format "{{.Name}} {{.MemUsage}}")
+
+  # Process each line of the output
+  while IFS= read -r line; do
+    container_id=$(echo $line | awk '{print $1}')
+    current_memory_usage=$(echo $line | awk '{print $2}' | sed 's/MiB//')
+
+    # Compare with the peak memory usage and update if necessary
+    if [[ ! ${peak_memory_usage[$container_id]} || $(echo "$current_memory_usage > ${peak_memory_usage[$container_id]}" | bc -l) -eq 1 ]]; then
+      peak_memory_usage[$container_id]=$current_memory_usage
+      echo "New peak memory usage for container $container_id: ${peak_memory_usage[$container_id]} MiB"
+    fi
+  done <<< "$docker_stats"
+
+  # Wait for 1 second before checking again
+  sleep 1
+done