Add Dockerfile and fix listen address for Docker

.dockerignore

@@ -0,0 +1,10 @@
+node_modules
+server/node_modules
+server/kenteken.db
+server/kenteken.db-shm
+server/kenteken.db-wal
+*.zip
+src_frontend_orig
+Kenteken-Gen-1-main
+*.sh
+*.nginx

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY server/package*.json ./server/
+RUN cd server && npm ci --production
+
+COPY server/ ./server/
+COPY dist/ ./dist/
+
+EXPOSE 3456
+
+CMD ["node", "server/index.js"]

server/index.js

@@ -117,6 +117,6 @@ app.get('*', (_req, res) => {
   res.sendFile(join(distPath, 'index.html'));
 });
 
-app.listen(PORT, '127.0.0.1', () => {
+app.listen(PORT, '0.0.0.0', () => {
   console.log(`Kenteken Gen server draait op poort ${PORT}`);
 });