Add dockerfile to streamline installation steps

Dockerfile

@@ -0,0 +1,18 @@
+FROM ubuntu:16.04
+
+RUN apt-get update && \
+    apt-get install -y \
+      git build-essential libffi-dev libssl-dev libcurl4-openssl-dev \
+      python3 python3-venv python3-pip python3-openssl python3-dev python3-setuptools python-cffi && \
+    git clone https://github.com/StreisandEffect/streisand.git
+
+
+WORKDIR streisand
+
+ENV VIRTUAL_ENV=./venv
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+RUN pip3 install --upgrade pip setuptools wheel && \
+    python3 -m venv $VIRTUAL_ENV && \
+    pip3 install -r requirements.txt
+
+CMD ["./streisand"]

Installation.md

@@ -100,3 +100,17 @@ sudo yum -y update && sudo yum install -y \
 You should keep a copy of the `generated-docs` directory for the life of the server.
 
 Remember to save your `~/.ssh/id_rsa` and `~/.ssh/id_rsa.pub` SSH keys too. You'll need them in case you want to troubleshoot or perform maintenance on your server later.
+
+## Run with Docker!
+```bash
+# Make a bindmount location to use pre-made id_rsa ssh key
+mkdir ./secrets
+
+# Build the Image
+docker build -t streisand .
+
+# Run the built container and remove it on exit
+docker run -ti --rm -v "$(pwd)"/secrets:/root/.ssh" streisand
+
+# TODO: save contents of `generated-docs` to bindmount directory to save after destruction of container
+```