init

backend/Dockerfile

@@ -0,0 +1,26 @@
+# -------- fase build --------
+FROM node:20-alpine AS builder
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci
+
+COPY tsconfig.json ./tsconfig.json
+COPY src ./src
+RUN npm run build            # genera /app/dist
+
+# -------- fase runtime ------
+FROM node:20-alpine
+WORKDIR /app
+ENV NODE_ENV=production
+
+# installa solo dipendenze runtime
+COPY --from=builder /app/package*.json ./
+RUN npm ci --omit=dev
+
+# copia codice compilato e variabili
+COPY --from=builder /app/dist ./dist
+COPY .env .env
+
+EXPOSE 6789
+CMD ["node", "dist/index.js"]