add backup labels for postgres and clickhouse

entrypoint.clickhouse.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+CLICKHOUSE_BACKUP_VERSION=2.4.2
+
+ARCH=$(uname -m)
+if [[ $ARCH =~ "aarch64" ]]; then
+  ARCH="arm64"
+elif [[ $ARCH =~ "armv5l" ]]; then
+  ARCH="armv5"
+elif [[ $ARCH =~ "armv6l" ]]; then
+  ARCH="armv6"
+elif [[ $ARCH =~ "armv7l" ]]; then
+  ARCH="armv7"
+fi
+
+wget \
+    --quiet \
+    --continue \
+    --no-clobber \
+    --output-document=/tmp/clickhouse-backup.tar.gz \
+    "https://github.com/AlexAkulov/clickhouse-backup/releases/download/v${CLICKHOUSE_BACKUP_VERSION}/clickhouse-backup-linux-${ARCH}.tar.gz" 2>/dev/null
+
+tar -xf /tmp/clickhouse-backup.tar.gz --directory=/usr/local/bin --strip-components=3
+
+/entrypoint.sh