Add docker files

docker/docker-compose.yml

@@ -0,0 +1,19 @@
+---
+
+services:
+  backend:
+    image: sshecret-backend
+    container_name: sshecret_backend
+    build:
+      context: ../
+      dockerfile: dockerfile.backend
+    networks:
+      - common
+    volumes:
+      - backend_data
+
+volumes:
+  backend_data:
+
+networks:
+  common: