switch to non-root user in container

monerod/.dockerignore

@@ -0,0 +1 @@
+.bitmonero

monerod/Dockerfile

@@ -1,12 +1,14 @@
 FROM ubuntu:22.04
 
-WORKDIR /root
-
 RUN apt-get update && apt-get upgrade
 RUN apt-get install -y wget bzip2
 
+RUN useradd -m matt
+USER matt
+WORKDIR /home/matt
+
 RUN wget https://downloads.getmonero.org/linux64
 RUN tar xvf linux64 && rm linux64
 RUN mv monero-x86_64-linux-gnu-v0.18.2.2/ monero/
 
-COPY entry.sh ./
+COPY --chown=matt:matt entry.sh ./