Update Dockerfile to be less painful; Set JABY_ENGINE_PATH automatically

podman/install.sh

@@ -1 +1,13 @@
-podman build -t jaby_engine .
+#!/usr/bin/env bash
+podman build -t jaby_engine .
+
+if [[ -z "${JABY_ENGINE_PATH}" ]]; then
+echo "Setting JABY_ENGINE_PATH to parent folder"
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)"
+JABY_ENGINE_PATH="$(dirname "$SCRIPT_DIR")"
+cat << End >> ~/.profile
+export JABY_ENGINE_PATH="$JABY_ENGINE_PATH"
+End
+source ~/.profile
+fi