Fix entry_point.sh docker backward compatibility problem (#2728)

bin/entry_point.sh

@@ -1,22 +1,34 @@
 #!/bin/bash
 
-CONFIG_FILE=_config.yml 
-
-/bin/bash -c "git restore Gemfile.lock && exec jekyll serve --watch --port=8080 --host=0.0.0.0 --livereload --verbose --trace --force_polling"&
+CONFIG_FILE=_config.yml
+
+# Function to manage Gemfile.lock
+manage_gemfile_lock() {
+    git config --global --add safe.directory '*'
+    if command -v git &> /dev/null && [ -f Gemfile.lock ]; then
+        if git ls-files --error-unmatch Gemfile.lock &> /dev/null; then
+            echo "Gemfile.lock is tracked by git, keeping it intact"
+            git restore Gemfile.lock 2>/dev/null || true
+        else
+            echo "Gemfile.lock is not tracked by git, removing it"
+            rm Gemfile.lock
+        fi
+    fi
+}
+
+start_jekyll() {
+    manage_gemfile_lock
+    exec jekyll serve --watch --port=8080 --host=0.0.0.0 --livereload --verbose --trace --force_polling &
+}
+
+start_jekyll
 
 while true; do
-
-  inotifywait -q -e modify,move,create,delete $CONFIG_FILE
-
-  if [ $? -eq 0 ]; then
-
-    echo "Change detected to $CONFIG_FILE, restarting Jekyll"
-
-    jekyll_pid=$(pgrep -f jekyll)
-    kill -KILL $jekyll_pid
-
-    /bin/bash -c "git restore Gemfile.lock && exec jekyll serve --watch --port=8080 --host=0.0.0.0 --livereload --verbose --trace --force_polling"&
-
-  fi
-
+    inotifywait -q -e modify,move,create,delete $CONFIG_FILE
+    if [ $? -eq 0 ]; then
+        echo "Change detected to $CONFIG_FILE, restarting Jekyll"
+        jekyll_pid=$(pgrep -f jekyll)
+        kill -KILL $jekyll_pid
+        start_jekyll
+    fi
 done