diff --git a/.env-dist b/.env-dist
deleted file mode 100644
index 740996b..0000000
--- a/.env-dist
+++ /dev/null
@@ -1,24 +0,0 @@
-# Copy this file to .env before building the container.
-# Put any local modifications here.
-
-BUILD_TAG=latest
-
-POSTGRES_USER=postgres
-POSTGRES_PASSWORD=password
-
-OWNER_UID=1000
-OWNER_GID=1000
-
-# You can keep this as localhost unless you want to use the ssl sidecar 
-# container (I suggest terminating ssl on the reverse proxy instead).
-HTTP_HOST=localhost
-
-# You will likely need to set this to the correct value, see README.md
-# for more information.
-SELF_URL_PATH=http://localhost:8280/tt-rss
-
-# bind exposed port to 127.0.0.1 by default in case reverse proxy is used.
-# if you plan to run the container standalone and need origin port exposed
-# use next HTTP_PORT definition (or remove "127.0.0.1:").
-HTTP_PORT=127.0.0.1:8280
-#HTTP_PORT=8280
diff --git a/example-docker-compose.override.yml b/example-docker-compose.override.yml
new file mode 100644
index 0000000..9afb461
--- /dev/null
+++ b/example-docker-compose.override.yml
@@ -0,0 +1,6 @@
+version: '3'
+
+services:
+  db:
+    image: cthulhoo/postgres-count-bits:12-latest
+