Add Dockerfile

Dockerfile

+FROM ubuntu:18.04
+
+# Install dependencies
+RUN apt-get update -qq && \
+    apt-get install -y -qq \
+      build-essential \
+      curl \
+      libfuse-dev \
+      pkg-config
+
+# Install rust
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | \
+    sh -s -- --default-toolchain nightly -y
+
+# Set path
+ENV PATH=/root/.cargo/bin:$PATH
+
+# Install redoxer
+RUN cargo install redoxer
+
+# Install redoxer toolchain
+RUN redoxer install