diff --git a/.env.sample b/.env.example
similarity index 93%
rename from .env.sample
rename to .env.example
index cce5299..fc61d8a 100644
--- a/.env.sample
+++ b/.env.example
@@ -1,7 +1,7 @@
 
-DB_HOST=localhost
+DB_HOST=postgresql
 DB_USERNAME=sfscon
-DB_PASSWORD=__PLACE_YOUR_PASSWORD__
+DB_PASSWORD=sfscon
 DB_NAME=sfscon
 DB_PORT=5432
 
diff --git a/README.md b/README.md
index 430ae6b..44f5d4f 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ app
 
 - checkout this repository
 - run docker compose build
-- setup .env file (from .env.sample)
+- setup .env file (from .env.example)
 - setup global nginx (see configuration file in config/nginx.global.conf.sample
 - run docker compose up -d
 
@@ -25,10 +25,10 @@ visible from docker containers on host.docker.internal
 this is defined at the top of .env file as
 
 ```
-DB_HOST=host.docker.internal
-DB_USERNAME=opencon_user	# or any other your username
-DB_PASSWORD=__your_password__
-DB_NAME=opencon_db		# or any other database name
+DB_HOST=postgres
+DB_USERNAME=sfscon	# or any other your username
+DB_PASSWORD=sfscon
+DB_NAME=sfscon		# or any other database name
 DB_PORT=5432
 ```
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index dd4c4d7..26885d8 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -55,3 +55,15 @@ services:
     volumes:
     - ./src/:/app
     - /var/log/opencon:/var/log/opencon
+
+  postgres:
+    image: "postgres:14-alpine"
+    environment:
+      POSTGRES_DB: sfscon
+      POSTGRES_USER: sfscon
+      POSTGRES_PASSWORD: sfscon
+    hostname: postgres
+    volumes:
+      - /tmp/epaper_pgdata:/var/lib/postgresql/data
+    ports:
+      - "${POSTGRES_PORT}:5432"