docker_image: add custom docker_image macro building and pushing docker images
diff --git a/apps/face_detection/Dockerfile b/apps/face_detection/Dockerfile
index befcba5..8c0996c 100644
--- a/apps/face_detection/Dockerfile
+++ b/apps/face_detection/Dockerfile
@@ -15,4 +15,5 @@
     python3-opencv
 
 WORKDIR /app
-COPY . /app
\ No newline at end of file
+COPY *.py /app/
+COPY *.xml /app/