rework pwa cc

server/Dockerfile

@@ -0,0 +1,25 @@
+# ÉTAPE 1 : Build du backend TypeScript
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+RUN npm run build
+
+# ÉTAPE 2 : Image de production (deps de prod uniquement)
+FROM node:20-alpine
+
+WORKDIR /app
+ENV NODE_ENV=production
+
+COPY package*.json ./
+RUN npm install --omit=dev
+
+COPY --from=builder /app/dist ./dist
+
+EXPOSE 3001
+
+CMD ["node", "dist/index.js"]