Add Dockerfile

Dockerfile

@@ -0,0 +1,20 @@
+FROM ubuntu:16.04
+
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    locales \
+    python3 \
+    python3-setuptools
+RUN localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
+RUN mkdir /usr/src/app
+COPY setup.cfg /usr/src/app
+COPY setup.py /usr/src/app
+COPY README.md /usr/src/app
+COPY asciinema /usr/src/app/asciinema
+WORKDIR /usr/src/app
+RUN python3 setup.py install
+ENV LANG en_US.utf8
+ENV SHELL /bin/bash
+ENV USER docker
+WORKDIR /root
+CMD ["asciinema", "rec"]