Merge RUNs. Run as non-root

util/Dockerfile

@@ -1,9 +1,15 @@
 FROM alpine:3.9
 
-RUN apk --update --no-cache add python3 bash curl git
-RUN pip3 install --upgrade pip
-RUN pip install awscli ansi2html boto3
-RUN git clone https://github.com/toniblyx/prowler/
+ARG USERNAME=prowler
+ARG USERID=34000
+
+RUN addgroup -g ${USERID} ${USERNAME} && \
+    adduser -s /bin/sh -G ${USERNAME} -D -u ${USERID} ${USERNAME} && \
+    apk --update --no-cache add python3 bash curl git && \
+    pip3 install --upgrade pip && \
+    pip install awscli ansi2html boto3 &&\
+    git clone https://github.com/toniblyx/prowler/
+
+USER ${USERNAME}
 
 ENTRYPOINT ["/prowler/prowler"]
-CMD []