chore(config): centralize node version management in config.json

Dockerfile

@@ -33,7 +33,6 @@ SHELL ["bash", "-c"]
 RUN mkdir -p config
 COPY dfx.json dfx.json
 COPY config.json config.json
-ENV NODE_VERSION=18.20.5
 RUN jq -r .dfx dfx.json > config/dfx_version
 RUN jq -r '.defaults.build.config.NODE_VERSION' config.json > config/node_version
 RUN jq -r '.defaults.build.config.DIDC_RELEASE' config.json > config/didc_version

frontend/README.md

@@ -10,6 +10,15 @@ All the Internet computer interactions are done through ic-js or the official [a
 
 ## Installation and local development
 
+Set the node version defined in [config.json](https://github.com/dfinity/nns-dapp/blob/main/config.json#L103).
+
+If you use [nvm](https://github.com/nvm-sh/nvm), you can run the following commands to set up the correct Node.js version:
+
+```bash
+npm run sync-node-version  # Creates .nvmrc with the required version
+nvm use                    # Switches to the specified version
+```
+
 Clone the project on your computer and install the libraries:
 
 ```bash

frontend/package.json

@@ -25,7 +25,8 @@
     "update:agent": "npm rm @dfinity/agent @dfinity/auth-client @dfinity/candid @dfinity/identity @dfinity/principal @dfinity/nns @dfinity/cmc @dfinity/sns @dfinity/utils @dfinity/ledger-icrc @dfinity/ledger-icp @dfinity/ckbtc @dfinity/ic-management && npm i @dfinity/agent @dfinity/auth-client @dfinity/candid @dfinity/identity @dfinity/principal @dfinity/utils@next @dfinity/ledger-icrc@next @dfinity/ledger-icp@next @dfinity/nns@next @dfinity/cmc@next @dfinity/sns@next @dfinity/ckbtc@next @dfinity/ic-management@next && ../scripts/revert-next.sh",
     "update:gix": "npm update @dfinity/gix-components",
     "upgrade:next": "npm rm @dfinity/nns @dfinity/cmc @dfinity/sns @dfinity/utils @dfinity/ledger-icrc @dfinity/ledger-icp @dfinity/ckbtc @dfinity/ic-management && npm i @dfinity/nns@next @dfinity/cmc@next @dfinity/sns@next @dfinity/utils@next @dfinity/ledger-icrc@next @dfinity/ledger-icp@next @dfinity/ckbtc@next @dfinity/ic-management@next && ../scripts/revert-next.sh",
-    "start:snapshot": "../scripts/dfx-snapshot-start --snapshot ~/snapshot.tar.xz "
+    "start:snapshot": "../scripts/dfx-snapshot-start --snapshot ~/snapshot.tar.xz ",
+    "sync-node-version": "./scripts/sync-node-version"
   },
   "engines": {
     "npm": ">=9.0.0 <11.0.0",

frontend/scripts/sync-node-version

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+set -euo pipefail
+ROOT_DIR="$(dirname "$(realpath "${BASH_SOURCE[0]}")")/../.."
+
+NODE_VERSION=$(jq -r '.defaults.build.config.NODE_VERSION' "$ROOT_DIR"/config.json)
+echo "v$NODE_VERSION" >"$ROOT_DIR"/frontend/.nvmrc