ADD read-only flag to run script and ADD gitignore to source dir

run_container.sh

@@ -46,6 +46,7 @@ echo "Starting container..."
 $CONTAINER_CMD run --name ${CONTAINER_NAME} \
     -p 8000:8000 \
     -v "$SOURCE_DIR":/home/appuser/app/source${VOLUME_FLAG} \
+    --read-only \
     --security-opt no-new-privileges:true \
     --cap-drop ALL \
     --user 1000:1000 \

source/.gitignore

@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore