feat(node-versions): define supported ranges

.github/workflows/node-ci.yml

@@ -15,6 +15,24 @@ env:
 permissions:
   contents: read
 jobs:
+  verify-matrix:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node:
+          - 18.17.0
+          - 20.6.1
+          - 21
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          cache: npm
+          node-version: ${{ matrix.node }}
+      - run: npm clean-install
+      - run: corepack npm audit signatures
+      - run: npm test
   verify:
     runs-on: ubuntu-latest
     steps:
@@ -31,6 +49,7 @@ jobs:
   release:
     needs:
       - verify
+      - verify-matrix
     permissions:
       contents: write
       id-token: write

README.md

@@ -28,6 +28,7 @@ form8ion plugin for node.js project deployed with Docker
 [![npm][npm-badge]][npm-link]
 [![Try @form8ion/docker-nodejs on RunKit][runkit-badge]][runkit-link]
 [![license][license-badge]][license-link]
+![node][node-badge]
 
 <!--consumer-badges end -->
 
@@ -122,3 +123,5 @@ $ npm test
 [license-link]: LICENSE
 
 [license-badge]: https://img.shields.io/github/license/form8ion/docker-nodejs.svg?logo=opensourceinitiative
+
+[node-badge]: https://img.shields.io/node/v/@form8ion/docker-nodejs?logo=node.js