Update Dockerfile

Dockerfile

@@ -16,7 +16,7 @@ COPY requirements.txt /app
 RUN apt-get -qqy update \
   && apt-get -qqy upgrade \
   && apt-get -qyy autoremove \
-  && apt-get -qqy install python3 git curl python-is-python3 pip \
+  && apt-get -qqy install python3 git curl ca-certificates openssl libssl-dev python-is-python3 pip \
   && apt-get -qyy remove openjdk-11-jre-headless \
   && apt-get -qyy autoremove \
   && apt-get -qyy clean \