Add some runtime dependencies

ubuntu/Dockerfile

@@ -23,13 +23,25 @@ RUN apt-get update && \
         file \
         nano && \
     apt-get install -y \
-        ffmpeg \
-        python3.7 \
-        python3.7-venv \
         python3-pip \
         python3-setuptools \
         python3-distutils && \
     apt-get clean
 
+RUN apt-get update && \
+    apt-get install -y \
+        libglu1-mesa \
+        libjpeg62 \
+        liborc-0.4 \
+        ffmpeg \
+        && \
+    apt-get clean
+
+RUN apt-get install -y \
+        python3.7 \
+        python3.7-dev \
+        python3.7-venv && \
+    apt-get clean
+
 ADD agki-nas01.imp.fu-berlin.de-ca-cert.crt /usr/local/share/ca-certificates/agki-nas01.imp.fu-berlin.de-ca-cert.crt
 RUN update-ca-certificates