Another attempt at fixing the Embedded DB Docker image (#388)

build/entrypoint.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# create the user
+echo "Creating user gaseous with UID ${PUID} and GID ${PGID}"
+groupadd -g ${PGID} gaseous
+useradd -u ${PUID} -g ${PGID} -m gaseous -G sudo 
+usermod -p "*" gaseous
+mkdir -p /home/gaseous/.gaseous-server /var/lib/mysql
+chown -R ${PUID}:${PGID} /App /home/gaseous/.gaseous-server /var/lib/mysql /run/mysqld
+
+# Start supervisord and services
+/usr/bin/supervisord -c /etc/supervisor/conf.d/supervisord.conf