diff --git a/Dockerfile b/Dockerfile
index 63582ca5..ae20f37d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -79,11 +79,11 @@ RUN cd /srv/frontend && \
     rm -rf ./node_modules
 
 
-FROM umputun/baseimage:app-latest
+FROM umputun/baseimage:app
 
 WORKDIR /srv
 
-ADD entrypoint.sh /entrypoint.sh
+ADD docker-init.sh /entrypoint.sh
 ADD backend/scripts/backup.sh /usr/local/bin/backup
 ADD backend/scripts/restore.sh /usr/local/bin/restore
 ADD backend/scripts/import.sh /usr/local/bin/import
@@ -97,5 +97,6 @@ RUN ln -s /srv/remark42 /usr/bin/remark42
 EXPOSE 8080
 HEALTHCHECK --interval=30s --timeout=3s CMD curl --fail http://localhost:8080/ping || exit 1
 
-CMD ["server"]
-ENTRYPOINT ["/entrypoint.sh"]
+COPY docker-init.sh /srv/init.sh
+RUN chmod +x /srv/init.sh
+CMD ["/srv/remark42", "server"]
diff --git a/README.md b/README.md
index 38842637..56580b88 100644
--- a/README.md
+++ b/README.md
@@ -322,6 +322,39 @@ Admins/moderators should be defined in `docker-compose.yml` as a list of user ID
 To get user id just login and click on your username or any other user you want to promote to admins.
 It will expand login info and show full user ID.
 
+#### Docker parameters
+
+Two parameters allow to customize docker container on the system level:
+
+- `APP_UID` - sets UID to run remark42 application in container (default=1001)
+- `TIME_ZONE` - sets time zone of remark42 container (default=America/Chicago)
+
+_see [umputun/baseimage](https://github.com/umputun/baseimage) for more details_
+
+example of compose:
+
+```yaml
+version: '2'
+
+services:
+    remark42:
+        image: umputun/remark42:latest
+        restart: always
+        container_name: "remark42"
+        environment:
+            - APP_UID=2000                          # runs remark42 app with non-default UID
+            - TIME_ZINE=GTC                         # sets container time to UTC
+
+            - REMARK_URL=https://demo.remark42.com  # url pointing to your remark42 server
+            - SITE=YOUR_SITE_ID                     # site ID, same as used for `site_id`, see "Setup on your website"
+            - SECRET=abcd-123456-xyz-$%^&           # secret key
+            - AUTH_GITHUB_CID=12345667890           # oauth2 client ID
+            - AUTH_GITHUB_CSEC=abcdefg12345678      # oauth2 client secret
+        volumes:
+            - ./var:/srv/var                        # persistent volume to store all remark42 data
+```
+
+
 ### Setup on your website
 
 #### Comments
diff --git a/compose-dev-backend.yml b/compose-dev-backend.yml
index f03e7cfa..6c0ab3e6 100644
--- a/compose-dev-backend.yml
+++ b/compose-dev-backend.yml
@@ -35,6 +35,8 @@ services:
             - "8084:8084" # local oauth2 server
 
         environment:
+#            - APP_UID=1000
+#            - TIME_ZONE=GMT
             - REMARK_URL=http://127.0.0.1:8080
             - SECRET=12345
             - STORE_BOLT_PATH=/srv/var/db
diff --git a/entrypoint.sh b/docker-init.sh
similarity index 82%
rename from entrypoint.sh
rename to docker-init.sh
index 82867cb5..387e8a55 100755
--- a/entrypoint.sh
+++ b/docker-init.sh
@@ -6,6 +6,3 @@ sed -i "s|https://demo.remark42.com|${REMARK_URL}|g" /srv/web/*.js
 sed -i "/REMOVE-START/,/REMOVE-END/d" /srv/web/iframe.html
 
 chown -R app:app /srv/var 2>/dev/null
-
-echo "start remark42 server"
-/sbin/su-exec app /srv/remark42 $@