adding flask protobuf

FlaskAPI/Dockerfile

@@ -6,7 +6,12 @@ ENV PYTHONUNBUFFERED=1
 
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y imagemagick && apt-get install -y wget && ls
+RUN apt-get update && \
+    apt-get install -y wget && \
+    wget https://github.com/protocolbuffers/protobuf/releases/download/v25.0/protoc-25.0-linux-x86_64.zip && \
+    unzip protoc-25.0-linux-x86_64.zip && \
+    mv bin/protoc /usr/local/bin/ && \
+    rm -rf protoc-25.0-linux-x86_64.zip bin include readme.txt
 
 RUN wget https://files.ivanch.me/api/public/dl/iFuXSNhw/small-image.png && \
     wget https://files.ivanch.me/api/public/dl/81Bkht5C/big-image.png && \