add a build setup that probably won't work but let's see

Dockerfile

@@ -0,0 +1,18 @@
+FROM node:alpine AS builder
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN npm ci
+
+COPY . .
+
+RUN npm run build
+
+FROM node:alpine
+
+WORKDIR /app
+
+COPY --from=builder /app/build ./
+
+CMD ["node", "./"]

Jenkinsfile

@@ -0,0 +1,35 @@
+pipeline {
+  agent any
+
+  environment {
+    REGISTRY = "docker-registry.service.consul"
+    IMAGE_NAME = "homepage"
+  }
+
+  stages {
+    stage('Build') {
+      steps {
+        sh 'npm ci'
+        sh 'npm run build'
+      }
+    }
+
+    stage('Docker Build') {
+      steps {
+        script {
+          dockerImage = docker.build("$REGISTRY/$IMAGE_NAME")
+        }
+      }
+    }
+
+    stage('Docker Publish') {
+      steps {
+        script {
+          docker.withRegistry("http://$REGISTRY") {
+            dockerImage.push("latest")
+          }
+        }
+      }
+    }
+  }
+}