Update Dockerfile

Dockerfile

 FROM rust:slim
 MAINTAINER elois <elois@duniter.org>
-LABEL version="0.1"
+LABEL version="0.1.2"
 LABEL description="Minimal environment for a Dunitrust developer"
 
 
@@ -12,3 +12,11 @@ RUN rustup component add clippy
 RUN apt-get update && \
    apt-get install -y --no-install-recommends git nano pkg-config libssl-dev && \
    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+# Create a user
+RUN useradd -ms /bin/bash user
+USER user
+WORKDIR /home/user
+
+# Clone Dunitrust repository
+RUN git clone --depth 50 -- https://git.duniter.org/nodes/rust/duniter-rs.git dunitrust