ci: add audit step

Author: johanbook

.github/workflows/nodejs.yaml

@@ -1,8 +1,24 @@
 name: Build Docker images
 on: push
 jobs:
+  audit-npm-dependencies:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install Nodejs
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16.18.0
+          cache: "npm"
+
+      - name: Audit NPM dependencies
+        run: npm audit
+
   build-and-push-docker-images:
     runs-on: ubuntu-latest
+    needs: audit-npm-dependencies
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:16.17.1-alpine
+FROM node:16.18.0-alpine
 
 LABEL maintainer="Johan Book"
 LABEL title="domain-file-server"

README.md

@@ -1,8 +1,5 @@
 # file-domain-server
 
-_This software has not been tested in regards of security and should not be used
-in a production environment_
-
 **file-domain-server** is a simplistic Nodejs HTTP file server that serve
 different folders depending on the HTTP `Host` header. It is mainly intended to
 run an internal network with its own DNS server.