Update README

README.md

@@ -5,7 +5,33 @@ Simple tool for crossposting posts from instagram to Mastodon/Pixelfed.
 ## Using without docker
 See [Docs.md](./Docs.md)
 
-## Using with Docker
+## Using docker-compose
+
+1. create `docker-compose.yaml` with following content
+``` 
+version: '3'
+services:
+  bot:
+    build:
+      context: .
+    image: "horhik/instagram2fedi:latest"
+    environment:
+      - YOUR_CONTAINER_NAME=<whatever>
+      - I2M_INSTAGRAM_USER=<instgram username>
+      - I2M_INSTANCE=<mastodon or pixelfed instance>
+      - I2M_TOKEN=<your token here>
+      - I2M_CHECK_INTERVAL=3600 #1 hour    
+      - I2M_POST_INTERVAL=3600 #1 hour   
+      - I2M_USE_MASTODON=4 #max carouse    - is 4, if there's no limit set to -1
+      - I2M_FETCH_COUNT=5 # how many instagram posts to fetch per check_interval   -
+```
+
+2. And edit environment variables
+
+3. Run `docker-compose up -d`
+
+
+## Using with Dockerfile
 
 Just clone repo, specify variables and run it.
 You can write all needed variables in `./env.sh` and then do `source ./run.sh`