diff --git a/.drone.yml b/.drone.yml
index a63e945f..77ef0185 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,9 +11,17 @@ pipeline:
       - cd app
       - go get -v ./...
       - go test -v ./...
-      
+
   docker:
     image: plugins/docker
     repo: umputun/remark
     secrets: [ docker_username, docker_password ]
     tags: ${DRONE_REPO_BRANCH}
+
+  notify:
+    image: drillster/drone-email
+    host: homemail.umputun.com
+    from: drone@yhomemail.umputun.com
+    recipients: [ umputun@gmail.com ]
+    when:
+      status: [ changed, failure ]
diff --git a/Dockerfile b/Dockerfile
index 08874b60..e53dedde 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,8 +17,6 @@ RUN go build -o remark -ldflags "-X main.revision=$(git rev-parse --abbrev-ref H
 
 FROM umputun/baseimage:micro-latest
 
-RUN apk add --update ca-certificates && update-ca-certificates
-
 COPY --from=build /go/src/github.com/umputun/remark/remark /srv/
 COPY --from=build /go/src/github.com/umputun/remark/web /srv/web
 RUN chown -R umputun:umputun /srv
diff --git a/app/migrator/backup_test.go b/app/migrator/backup_test.go
index ad1e24ec..cb28122a 100644
--- a/app/migrator/backup_test.go
+++ b/app/migrator/backup_test.go
@@ -21,14 +21,19 @@ func TestMigrator_RemoveOldBackupFiles(t *testing.T) {
 		err := ioutil.WriteFile(fname, []byte("blah"), 0600)
 		assert.Nil(t, err)
 	}
+	fname := fmt.Sprintf("%s/backup-site2-20171210.gz", loc)
+	err := ioutil.WriteFile(fname, []byte("blah"), 0600)
+	assert.Nil(t, err)
+
 	bk := AutoBackup{BackupLocation: loc, SiteID: "site1", KeepMax: 3}
 	bk.removeOldBackupFiles()
 	ff, err := ioutil.ReadDir(loc)
 	assert.Nil(t, err)
-	assert.Equal(t, 3, len(ff), "should keep 3 files only")
+	assert.Equal(t, 4, len(ff), "should keep 4 files - 3 kept for sit1, and one for site2")
 	assert.Equal(t, "backup-site1-20171208.gz", ff[0].Name())
 	assert.Equal(t, "backup-site1-20171209.gz", ff[1].Name())
 	assert.Equal(t, "backup-site1-20171210.gz", ff[2].Name())
+	assert.Equal(t, "backup-site2-20171210.gz", ff[3].Name())
 }
 
 func TestMigrator_MakeBackup(t *testing.T) {