add postgres

postgres/docker-compose.yml

@@ -0,0 +1,18 @@
+version: '3.8'
+
+services:
+    db:
+        image: postgres:14.2
+        container_name: postgres
+        restart: always
+        environment:
+            - POSTGRES_USER=${PGUSER}
+            - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+            - POSTGRES_DB=${POSTGRES_DB}
+        volumes:
+            - postgres_db:/var/lib/postgresql/data
+        ports:
+            - "5432:5432"
+
+volumes:
+    postgres_db: