feat: add compose file

docker-compose.yml

@@ -0,0 +1,15 @@
+version: "3.4"
+services:
+    postgres:
+        image: postgres:13.4
+        restart: unless-stopped
+        ports:
+            - <host-ip-address>:5432:5432
+        volumes:
+            - pgdata:/var/lib/postgresql/data
+        environment:
+            POSTGRES_USER: <user>
+            POSTGRES_PASSWORD: <password>
+
+volumes:
+    pgdata: