running as bitwarden user

util/MsSql/Dockerfile

@@ -1,18 +1,26 @@
 FROM microsoft/mssql-server-linux:2017-CU4
 
+USER root
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
         cron \
     && rm -rf /var/lib/apt/lists/*
 
+RUN groupadd -g 999 bitwarden && \
+    useradd -r -u 999 -g bitwarden bitwarden
+
 COPY crontab /etc/cron.d/bitwarden-cron
 RUN chmod 0644 /etc/cron.d/bitwarden-cron \
     && touch /var/log/cron.log
 
+USER bitwarden
 COPY backup-db.sql /
 COPY backup-db.sh /
-RUN chmod +x /backup-db.sh
-
 COPY entrypoint.sh /
+
+USER root
+RUN chmod +x /backup-db.sh
 RUN chmod +x /entrypoint.sh
+
+USER bitwarden
 ENTRYPOINT ["/entrypoint.sh"]