diff --git a/README.md b/README.md
index 9ffe6ef..44b0737 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,18 @@ Schedule and availability system for Team Fortress 2 teams.
 - **Database:** [PostgreSQL 17.1](https://www.postgresql.org/docs/17/index.html)
   (production) / SQLite (development)
 
+## File Structure
+
+```
+availabili.tf/               root
+├── availabili.tf/           frontend (Vue.js)
+├── backend-flask/           backend/software layer (Python)
+├── nginx/                   reverse proxy
+├── docker-compose.prod.yml  production environment
+├── docker-compose.yml       development environment
+└── README.md                this file
+```
+
 ## Setup (production, Postgres)
 
 Build the frontend app, assuming Node.js is installed:
@@ -41,7 +53,7 @@ Perform initial database migration. This is for automatically setting up the
 database schema for the first time:
 
 ```sh
-docker exec -it backend bash
+docker exec -it backend-flask-production bash
 flask db upgrade
 exit
 ```
diff --git a/package-lock.json b/package-lock.json
deleted file mode 100644
index 07d9d89..0000000
--- a/package-lock.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "name": "availabili.tf",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "dependencies": {
-        "v-dropdown-menu": "^2.0.4"
-      }
-    },
-    "node_modules/v-dropdown-menu": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/v-dropdown-menu/-/v-dropdown-menu-2.0.4.tgz",
-      "integrity": "sha512-YPHnx29YWVSdRO8IZcIKNCmSx2jFOkU/5Jyv8pN7P/z2Jif/L6Xto3J29LwIhday1zwMI5sjmU5bNMbBnmdg0A==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=12"
-      }
-    }
-  }
-}