Add Avorion Pterodactyl compatibility image

entrypoint.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+set -euo pipefail
+
+export USER=container
+export HOME=/home/container
+mkdir -p /home/container /tmp
+
+uid="$(id -u)"
+gid="$(id -g)"
+
+PASSWD_FILE="/tmp/passwd"
+GROUP_FILE="/tmp/group"
+
+cp /etc/passwd "$PASSWD_FILE"
+cp /etc/group "$GROUP_FILE"
+
+if ! getent passwd "$uid" >/dev/null 2>&1; then
+    echo "container:x:${uid}:${gid}::/home/container:/bin/bash" >> "$PASSWD_FILE"
+fi
+
+if ! getent group "$gid" >/dev/null 2>&1; then
+    echo "container:x:${gid}:" >> "$GROUP_FILE"
+fi
+
+export NSS_WRAPPER_PASSWD="$PASSWD_FILE"
+export NSS_WRAPPER_GROUP="$GROUP_FILE"
+
+libnss="$(find /usr/lib /lib -name 'libnss_wrapper.so' 2>/dev/null | head -n 1 || true)"
+if [ -n "$libnss" ]; then
+    export LD_PRELOAD="${libnss}${LD_PRELOAD:+:${LD_PRELOAD}}"
+fi
+
+cd /home/container
+
+if [ -n "${STARTUP:-}" ]; then
+    echo ":/home/container$ ${STARTUP}"
+    exec /bin/bash -c "${STARTUP}"
+fi
+
+exec "$@"