diff --git a/startserver.sh b/startserver.sh
new file mode 100644
index 0000000..2dbdb62
--- /dev/null
+++ b/startserver.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+set -eu
+NEOFORGE_VERSION=21.1.248
+# To use a specific Java runtime, set an environment variable named ATM10_JAVA to the full path of java.exe.
+# To disable automatic restarts, set an environment variable named ATM10_RESTART to false.
+# To install the pack without starting the server, set an environment variable named ATM10_INSTALL_ONLY to true.
+
+INSTALLER="neoforge-$NEOFORGE_VERSION-installer.jar"
+NEOFORGE_URL="https://maven.neoforged.net/releases/net/neoforged/neoforge/$NEOFORGE_VERSION/neoforge-$NEOFORGE_VERSION-installer.jar"
+ATM10_RESTART=false
+
+pause() {
+    printf "%s\n" "Press enter to continue..."
+    read ans
+}
+
+if ! command -v "${ATM10_JAVA:-java}" >/dev/null 2>&1; then
+    echo "Minecraft 1.21 requires Java 21 - Java not found"
+    pause
+    exit 1
+fi
+
+cd "$(dirname "$0")"
+if [ ! -d libraries ]; then
+    echo "Neoforge not installed, installing now."
+    if [ ! -f "$INSTALLER" ]; then
+        echo "No Neoforge installer found, downloading now."
+        if command -v wget >/dev/null 2>&1; then
+            echo "DEBUG: (wget) Downloading $NEOFORGE_URL"
+            wget -O "$INSTALLER" "$NEOFORGE_URL"
+        else
+            if command -v curl >/dev/null 2>&1; then
+                echo "DEBUG: (curl) Downloading $NEOFORGE_URL"
+                curl -o "$INSTALLER" -L "$NEOFORGE_URL"
+            else
+                echo "Neither wget or curl were found on your system. Please install one and try again"
+                pause
+                exit 1
+            fi
+        fi
+    fi
+
+    echo "Running Neoforge installer."
+    "${ATM10_JAVA:-java}" -jar "$INSTALLER" -installServer
+fi
+
+if [ ! -e server.properties ]; then
+    printf "allow-flight=true\nmotd=All the Mods 10\nmax-tick-time=180000\nsimulation-distance=5\nview-distance=8" > server.properties
+fi
+
+if [ "${ATM10_INSTALL_ONLY:-false}" = "true" ]; then
+    echo "INSTALL_ONLY: complete"
+    exit 0
+fi
+
+JAVA_VERSION=$("${ATM10_JAVA:-java}" -fullversion 2>&1 | awk -F '"' '/version/ {print $2}' | cut -d'.' -f1)
+if [ ! "$JAVA_VERSION" -ge 21 ]; then
+    echo "Minecraft 1.21 requires Java 21 - found Java $JAVA_VERSION"
+    pause
+    exit 1
+fi
+
+while true
+do
+    "${ATM10_JAVA:-java}" @user_jvm_args.txt @libraries/net/neoforged/neoforge/$NEOFORGE_VERSION/unix_args.txt nogui || EXIT_CODE=$?
+
+    if [ "${ATM10_RESTART:-true}" = "false" ]; then
+        exit 0
+    fi
+
+    echo "Restarting automatically in 10 seconds (press Ctrl + C to cancel)"
+    sleep 10
+done