Docker COPY with checkout fetch-depth: 0 (#12066)

Docker COPY with checkout fetch-depth: 0

utils/docker/Dockerfile

@@ -24,8 +24,7 @@ RUN rm -rf /usr/src/app && mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
 # Copy contents
-# COPY . /usr/src/app  (issues as not a .git directory)
-RUN git clone https://github.com/ultralytics/yolov5 /usr/src/app
+COPY . /usr/src/app
 
 # Install pip packages
 COPY requirements.txt .