Updated Using Docker Compose (markdown)

Using-Docker-Compose.md

@@ -78,3 +78,31 @@ to create & start the containers. It creates a private network between the two c
 docker-compose down
 ```
 stops and destroys the containers.
+
+If there's no need for websocket notifications, you can run Bitwarden_rs alone. Here's my example. Actually I'm running Bitwarden_rs on my Raspberry Pi and I'm using mprasil/bitwarden:raspberry image. If you want to do the same, remember to change it to the example.
+
+`#docker-compose.yml`
+`version: '3'`
+`services:`
+ `bitwarden:`
+  `image: mprasil/bitwarden`
+  `restart: always`
+  `volumes:`
+      `- ./bw-data/:/data/`
+      `- /home/pi/ssl/:/ssl/`
+  `environment:`
+   `ROCKET_TLS: '{certs = "/ssl/fullchain.pem", key = "/ssl/key.pem"}'`
+   `SIGNUPS_ALLOWED: "true"`
+   `SMTP_HOST: "smtp.host.net"`
+   `SMTP_FROM: "no-reply@home.example.com"`
+   `SMTP_PORT: "587"`
+   `SMTP_SSL: "true"`
+   `SMTP_USERNAME: "xxx"`
+   `SMTP_PASSWORD: "yyy"`
+   `LOG_FILE: "/data/bitwarden.log"`
+  `ports:`
+      `- 192.168.1.20:443:80 #Server's home IP`
+
+Even the server is running at the home network behind the NAT, I wanted to have Let's Encrypt's certificate. I followed this guide https://github.com/Neilpang/acme.sh/wiki/DNS-alias-mode.
+My domains A record points to the binded IP on the last line and there are no complaints about certificate.
+