removed python3 - not needed when running 12-buster-slim

also prep entrypoint even if it was shipped with no execution attrib
and prevent restart loop since pm2-runtime always exits with 0

docker/bin/docker-entrypoint.sh

@@ -1,8 +1,13 @@
 #!/usr/bin/env bash
-prepopvols=("config" "mods" "art")
-bbspath=/enigma-bbs
-bbsstgp=/enigma-bbs-pre
-if [[ ! -f $bbspath/config/config.hjson ]]; then
+
+# Set some vars
+prepopvols=("config" "mods" "art") # these are folders which contain runtime needed files, and need to be represented in the host
+bbspath=/enigma-bbs # install location
+bbsstgp=/enigma-bbs-pre # staging location for prepopvals
+configname=config.hjson # this is the default name, this script is intended for easy get-go - make changes as needed
+
+# Setup happens when there is no existing config file
+if [[ ! -f $bbspath/config/$configname ]]; then
     for dir in "${prepopvols[@]}"
     do
         if [ -n "$(find "$bbspath/$dir" -maxdepth 0 -type d -empty 2>/dev/null)" ]; then
@@ -13,4 +18,9 @@ if [[ ! -f $bbspath/config/config.hjson ]]; then
     done
     ./oputil.js config new
 fi
-pm2-runtime main.js
+if [[ ! -f $bbspath/config/$configname ]]; then #make sure once more, otherwise pm2-runtime will loop if missing the config
+  echo "for some reason you have skipped configuration - enigma will not work. please run config"
+  exit 1
+else
+    pm2-runtime main.js
+fi