Example

Dockerfile

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+# Build stage
+FROM node:18-alpine AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+# Artifacts stage (per estrarre i build artifacts)
+FROM build AS artifacts
+RUN mkdir -p /out/dist && cp -r dist/* /out/dist/
+
+# Production stage
+FROM node:18-alpine AS production
+WORKDIR /app
+COPY --from=build /app/dist ./dist
+COPY --from=build /app/package*.json ./
+RUN npm install --production
+EXPOSE 3000
+CMD ["node", "dist/index.js"]

package.json

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+{
+  "name": "demo",
+  "version": "1.0.0",
+  "scripts": {
+    "build": "mkdir -p dist && cp src/index.js dist/"
+  }
+}

src/index.js

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+const http = require('http');
+
+const server = http.createServer((req, res) => {
+  res.writeHead(200, { 'Content-Type': 'text/plain' });
+  res.end('Hello from Gitea CI/CD!\n');
+});
+
+server.listen(3000, () => {
+  console.log('Server running on port 3000');
+});
+```
+
+**Struttura del repo:**
+```
+demo/
+├── Dockerfile
+├── package.json
+├── README.md
+└── src/
+    └── index.js