adding basic skeleton for clightning

roles/apps/files/clightning/entrypoint.sh

@@ -0,0 +1,38 @@
+#! /bin/sh
+#
+# entrypoint.sh
+# Copyright (C) 2024 barry <barry@a9.local>
+#
+# Distributed under terms of the MIT license.
+#
+
+
+#!/bin/sh
+set -e
+
+# give bitcoind a second to bootup
+sleep 1
+
+# containers on linux share file permissions with hosts.
+# assigning the same uid/gid from the host user
+# ensures that the files can be read/write from both sides
+if ! id clightning > /dev/null 2>&1; then
+  USERID=${USERID:-1000}
+  GROUPID=${GROUPID:-1000}
+
+  echo "adding user clightning ($USERID:$GROUPID)"
+  groupadd -f -g $GROUPID clightning
+  useradd -r -u $USERID -g $GROUPID clightning
+  # ensure correct ownership of user home dir
+  mkdir -p /home/clightning
+  chown -R $USERID:$GROUPID /home/clightning
+fi
+
+if [ $(echo "$1" | cut -c1) = "-" ]; then
+  echo "$0: assuming arguments for lightningd"
+
+  set -- lightningd "$@"
+fi
+
+echo "$@"
+exec "$@"