add exported compose files

docker/compose/guacamole.yml

@@ -0,0 +1,18 @@
+---
+
+version: "3.8"
+services:
+  guacamole:
+    image: jwetzell/guacamole
+    container_name: guacamole
+    restart: unless-stopped
+    environment:
+    - EXTENSIONS=$EXTENSIONS
+    volumes:
+      - postgres:/config
+    ports:
+      - 8080:8080
+
+volumes:
+  postgres:
+    driver: local