feature: the tfvars store keeps Terraform modules, their instances and the instances' variable files in PostgreSQL.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@koszewscy/sk-react-toolkit",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Shared code of the React and Fastify web applications: web components, server helpers and the Vite font plugin.",
   "private": true,
   "type": "module",
@@ -19,6 +19,7 @@
   "scripts": {
     "typecheck": "tsc -p tsconfig.json",
     "lint": "oxlint",
+    "test": "node --test server/tfvarsStore.test.ts",
     "build": "node build.mjs"
   },
   "peerDependencies": {
@@ -28,6 +29,7 @@
     "@mui/icons-material": "^9.5.0",
     "@mui/material": "^9.5.0",
     "fastify": "^5.12.7",
+    "pg": "^8.23.1",
     "react": "^19.3.1",
     "react-dom": "^19.3.1",
     "vite": "^8.3.5"
@@ -35,6 +37,7 @@
   "peerDependenciesMeta": {
     "@fastify/static": { "optional": true },
     "fastify": { "optional": true },
+    "pg": { "optional": true },
     "vite": { "optional": true },
     "@emotion/react": { "optional": true },
     "@emotion/styled": { "optional": true },
@@ -50,10 +53,12 @@
     "@mui/icons-material": "^9.5.0",
     "@mui/material": "^9.5.0",
     "@types/node": "^26.6.5",
+    "@types/pg": "^8.23.1",
     "@types/react": "^19.3.0",
     "@types/react-dom": "^19.3.0",
     "fastify": "^5.12.7",
     "oxlint": "^1.89.0",
+    "pg": "^8.23.1",
     "react": "^19.3.1",
     "react-dom": "^19.3.1",
     "typescript": "^7.0.2",