run as non root

Source/Dockerfile

@@ -4,8 +4,10 @@ RUN apt-get update
 RUN apt-get dist-upgrade -y
 RUN apt-get install -y python build-essential
 
-COPY . /tera
+RUN useradd --create-home --shell /bin/bash tera
+USER tera
 
+COPY --chown=tera . /tera
 WORKDIR /tera
 
 RUN npm install