feat: upgrade Node.js version to 25 and update related documentation

.devcontainer/devcontainer.json

@@ -1,6 +1,6 @@
 {
-  "name": "typescript-node:24",
-  "image": "mcr.microsoft.com/devcontainers/typescript-node:24",
+  "name": "node:25",
+  "image": "mcr.microsoft.com/devcontainers/base:trixie",
   "mounts": [
     "source=${localWorkspaceFolderBasename}-node_modules,target=${containerWorkspaceFolder}/node_modules,type=volume"
   ],
@@ -51,6 +51,9 @@
     "GITHUB_TOKEN": "${localEnv:GITHUB_TOKEN}"
   },
   "features": {
-    "ghcr.io/devcontainers/features/github-cli:1": {}
+    "ghcr.io/devcontainers/features/github-cli:1": {},
+    "ghcr.io/devcontainers/features/node:1": {
+      "version": "25"
+    }
   }
 }

.devcontainer/postCreateCommand.bash

@@ -1,7 +1,8 @@
 #!/bin/bash
 
-set -eux pipefail
+set -euxo pipefail
 
-git config --global --add safe.directory /workspaces/terraform-modules-releaser
-sudo chown node:node node_modules
-npm install --no-fund
+REPO_ROOT="$(git rev-parse --show-toplevel 2>/dev/null || pwd)"
+git config --global --add safe.directory "${REPO_ROOT}"
+sudo chown "$(id -u):$(id -g)" node_modules
+npm ci --no-fund

.github/copilot-instructions.md

@@ -8,7 +8,7 @@ For detailed architecture, testing patterns, and design context, see the `docs/`
 ## Tech Stack
 
 - **TypeScript 5.9+** strict mode, ES modules (`"type": "module"` in package.json)
-- **Node.js 24+** local dev (`.node-version`); compiles to Node.js 20+ for GitHub Actions runtime (`action.yml` →
+- **Node.js 25+** local dev (`.node-version`); compiles to Node.js 20+ for GitHub Actions runtime (`action.yml` →
   `node20`)
 - **Vitest** for testing with V8 coverage
 - **Biome** for linting/formatting — NOT ESLint/Prettier (except Prettier for Markdown/YAML only)

.node-version

@@ -1 +1 @@
-24
+25

AGENTS.md

@@ -16,7 +16,7 @@ npm run package         # Build dist/ via ncc (auto-generated, never edit manual
 
 ## Environment
 
-- **Node.js 24+** locally (`.node-version`); compiled output targets Node.js 20+ (`action.yml` → `node20`)
+- **Node.js 25+** locally (`.node-version`); compiled output targets Node.js 20+ (`action.yml` → `node20`)
 - **GITHUB_TOKEN** required for integration tests — tests skip gracefully without it
 - Path aliases: `@/` → `src/`, `@/tests/` → `__tests__/`, `@/mocks/` → `__mocks__/`
 

CONTRIBUTING.md

@@ -58,7 +58,7 @@ Before contributing, please:
 
 ### Prerequisites
 
-- **Node.js**: Version 24 or higher (see [.node-version](./.node-version) for the exact version)
+- **Node.js**: Version 25 or higher (see [.node-version](./.node-version) for the exact version)
 - **npm**: Comes with Node.js
 - **Git**: For version control
 

docs/development.md

@@ -9,7 +9,7 @@ Releaser project.
 
 The repository includes a pre-configured devcontainer with:
 
-- **Base image**: `mcr.microsoft.com/devcontainers/typescript-node:24` (Node.js 24)
+- **Base image**: `mcr.microsoft.com/devcontainers/base:trixie` with Node.js 25 feature
 - **Named volume**: `node_modules` volume persists across container rebuilds
 - **Post-create script**: Sets Git safe directory, fixes node_modules ownership, runs `npm install`
 - **Visual Studio Code extensions**: Biome, Prettier, GitHub Actions, Markdown tools, GitHub PR extension
@@ -18,7 +18,7 @@ The repository includes a pre-configured devcontainer with:
 
 ### Manual Setup
 
-1. Install Node.js 24+ (see `.node-version`)
+1. Install Node.js 25+ (see `.node-version`)
 2. Run `npm ci --no-fund`
 3. Export `GITHUB_TOKEN` for integration tests