* Add a PeerTube development environment Dockerfile.
* Clone from develop instead of master in developer Dockerfile.
--- /dev/null
+FROM janx/ubuntu-dev
+MAINTAINER Jan Keromnes <janx@linux.com>
+
+# Install PeerTube's dependencies.
+# Packages are from https://github.com/Chocobozzz/PeerTube#dependencies
+RUN sudo apt-get update -q && sudo apt-get install -qy \
+ ffmpeg \
+ postgresql \
+ openssl
+
+# Download PeerTube's source code.
+RUN git clone -b develop https://github.com/Chocobozzz/PeerTube /home/user/PeerTube
+WORKDIR /home/user/PeerTube
+
+# Configure Cloud9 IDE to use PeerTube's source directory as workspace (-w).
+RUN sudo sed -i "s/-w \/home\/user/-w \/home\/user\/PeerTube/" /etc/supervisord.conf
+
+# Configure and build PeerTube.
+RUN yarn install \
+ && npm run build