chore(monitor-snapshot/release-7.5): update files from upstreams (#875)

Author: ti-chi-bot

monitor-snapshot/release-7.5/ansible-monitor.tar.gz

@@ -1,11 +1,13 @@
 FROM busybox:1.37.0
 
-ADD init.sh /usr/bin/init.sh
-RUN chmod +x /usr/bin/init.sh
+# Add user and group to support run it with non-root.
+ARG PINGCAP_UID=1000
+ARG PINGCAP_GID=2000
+RUN addgroup -g ${PINGCAP_GID} pingcap && \
+    adduser -u ${PINGCAP_UID} -G pingcap -h /home/pingcap -D pingcap
 
-COPY dashboards/*.json /tmp/
-COPY rules/*.rules.yml /tmp/
-COPY datasources/*.yaml /tmp/
+COPY --chmod=755 init.sh /usr/bin/init.sh
+COPY --chmod=644 dashboards/*.json rules/*.rules.yml datasources/*.yaml /tmp/
 
 ENTRYPOINT ["/usr/bin/init.sh"]
 CMD ["TIDB-Cluster", "/grafana-dashboard-definitions/tidb/", "false", "/etc/prometheus"]