diff --git a/README.md b/README.md
index fc7ddc8..d599469 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,33 @@
 # aliexpress-price-tracker
 
+Price tracker for aliexpress.
+
+A file containing aliexpress login token cookies has to be provided in /app/cookies.json (obtained with cookie-quick-manager https://github.com/ysard/cookie-quick-manager/) for accurate prices (no "welcome discount").
+
+## how to use (with podman)
+### build
+```
+podman build --tag alipricetrack:1.0.0 -f ./Dockerfile
+podman build --tag alipricetrack_cron:1.0.0 -f ./CronDockerfile
+```
+
+### run
+```
+podman pod create --name aliexpress -p 8080:8080
+
+podman run -d --pod=aliexpress -e POSTGRES_DB="aliexpress" -e POSTGRES_USER="postgres" -e POSTGRES_PASSWORD="postgres" -v /home/data/podman/aliexpress/db:/var/lib/postgresql/data:Z --name ali-db docker.io/postgres
+
+podman run -d --pod=aliexpress -e POSTGRES_DB="aliexpress" -e POSTGRES_USER="postgres" -e POSTGRES_PASSWORD="postgres" -v /home/data/podman/aliexpress/cookies.json:/app/cookies.json:Z --name ali-app alipricetrack:1.0.0
+
+podman run -d --pod=aliexpress -e WAIT_TIME="1d" --name ali-cron alipricetrack_cron:1.0.0
+```
+
+WAIT_TIME is the time to wait between each database refresh, it can be in:
+
++ s : seconds
++ m : minutes
++ h : hours
++ d : days  
+
+If not specified, default wait time is 1 day. </br></br>
+For reverse proxy configuration see `example-nginx.conf`
diff --git a/src/aliexpress.py b/src/aliexpress.py
index 6281c07..b395e60 100644
--- a/src/aliexpress.py
+++ b/src/aliexpress.py
@@ -22,7 +22,6 @@ def load_cookies_from_file(file_path):
 def check_item(settings_item):
     '''
     return a dict with items data extracted from aliexpress.
-    a file containing aliexpress login token cookies has to be provided in ./cookies.json (obtained with cookie-quick-manager https://github.com/ysard/cookie-quick-manager/) for accurate prices (no "welcome discount")
     extracted data:
     skuId, quantity, discount_percentage, price, currency, choice_delivery, image
     parameter settings_item is a list of tables (string(itemid), attributes)