add docker compose documentation

.gitignore

@@ -19,3 +19,6 @@
 
 # build output
 bin/
+
+# golang module
+go.sum

README.md

@@ -14,6 +14,10 @@ This repository is for update notifications from the rust game which helps serve
 2. Build the project using command `docker build . `
 3. Start the project using command `docker run -h localhost -p 8000:8000 -e PORT=8000 rust-updater-api_app:latest`
 
+### Docker Compose:
+1. Make sure you have installed docker and docker-compose on your machine.
+2. Start the container (detached) using command `docker-compose up -d --build`
+
 ## Contact
 If you need more information please join the discord: https://discord.chroma-gaming.xyz/
 

docker-compose.yml

@@ -0,0 +1,16 @@
+version: "3.7"
+
+services:
+  app:
+    container_name: "rust-updater"
+    image: ghcr.io/aldiwildan77/rust-updater:latest
+    environment:
+      - PORT=8000
+    ports:
+      - 8000:8000
+    restart: on-failure
+    networks:
+      - backend
+
+networks:
+  backend: