From 21ff8e13cdec29594291332ace853f10907708bd Mon Sep 17 00:00:00 2001
From: josedario87 <jodarioel87@gmail.com>
Date: Wed, 4 Jun 2025 22:09:26 -0600
Subject: [PATCH] docker file mejora, doble stage

---
 chat-ui/Dockerfile | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/chat-ui/Dockerfile b/chat-ui/Dockerfile
index 286283d..77e20e3 100644
--- a/chat-ui/Dockerfile
+++ b/chat-ui/Dockerfile
@@ -1,18 +1,16 @@
+# ---------- Etapa de build ----------
+FROM node:18-alpine AS builder
+WORKDIR /app
+COPY package*.json ./
+RUN npm install          # incluye TypeScript
+COPY . .
+RUN npm run build        # genera /app/dist
+
+# ---------- Etapa ligera de runtime ----------
 FROM node:18-alpine
 WORKDIR /app
-
-# 1. Copiamos primero solo package.json para cache
-COPY package.json package-lock.json* ./
-
-# 2. Instalamos todo (incluye devDependencies como typescript)
-RUN npm install
-
-# 3. Ahora sí, copiamos el código fuente
-COPY . .
-
-# 4. Compilamos y luego eliminamos devDependencies
-RUN npm run build && npm prune --production
-
-# 5. Listo para producción
+COPY --from=builder /app/dist ./dist
+COPY package*.json ./
+RUN npm install --production   # solo deps de runtime
 EXPOSE 3000
 CMD ["node", "dist/server.js"]