fix: user grin

Author: ardocrat

Dockerfile

@@ -17,14 +17,17 @@ RUN apt update && \
     apt install -y libncursesw5-dev && \
     apt-get install -y ca-certificates && update-ca-certificates
 
+RUN useradd --create-home grin
+USER grin
+
 # Create mainnet config
-WORKDIR /root/.grin/main
+WORKDIR /home/grin/.grin/main
 RUN grin server config
 RUN sed -i '/^run_tui /s/=.*$/= false/' grin-server.toml
 RUN sed -i '/^api_http_addr /s/=.*$/= "0.0.0.0:3413"/' grin-server.toml
 
 # Create testnet config
-WORKDIR /root/.grin/test
+WORKDIR /home/grin/.grin/test
 RUN grin --testnet server config
 RUN sed -i '/^run_tui /s/=.*$/= false/' grin-server.toml
 RUN sed -i '/^api_http_addr /s/=.*$/= "0.0.0.0:13413"/' grin-server.toml
@@ -38,9 +41,9 @@ EXPOSE 13413 13414
 # Stratum port
 EXPOSE 3416
 
-WORKDIR /root/.grin
+WORKDIR /home/grin/.grin
 
-VOLUME ["/root/.grin"]
+VOLUME ["/home/grin/.grin"]
 
 ENTRYPOINT ["grin", "--no-tui"]
 CMD ["server", "run"]