Include libssl. engine#72

Dockerfile

@@ -5,7 +5,8 @@ LABEL maintainer="David Trattnig <david.trattnig@subsquare.at>"
 
 # Dependencies & Utils
 RUN apt update && apt -y install \
-      alsa-utils
+      alsa-utils \
+      libssl-dev
 
 # Setup Engine
 RUN mkdir -p /srv/src