apt-get update

Dockerfile

@@ -28,7 +28,7 @@ RUN apt-get update && \
 #copy requirements    
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
-RUN  apt install -y  software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 && \
+RUN  apt-get update && apt install -y  software-properties-common && add-apt-repository ppa:alex-p/tesseract-ocr5 && \
 apt-get update && \
 apt-get install -y \
     tesseract-ocr \