Modificar Dockerfile

Dockerfile

@@ -1,13 +1,34 @@
-FROM node:20-alpine
+############################
+# 1️⃣ BUILD STAGE
+############################
+FROM node:20-alpine AS builder
 
+# Define diretório de trabalho
 WORKDIR /app
 
+# Copia os manifests de dependências
 COPY package*.json ./
 
-RUN npm install -g npm@11.4.2
+# Instala dependências
+RUN npm install
 
+# Copia o restante do código
 COPY . .
 
-EXPOSE 3000
+# Builda para produção
+RUN npm run build
 
-CMD ["npm", "run", "start"]
+
+############################
+# 2️⃣ NGINX STAGE
+############################
+FROM nginx:alpine
+
+# Copia o build pronto para a pasta que o NGINX serve
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Exponha a porta padrão do NGINX
+EXPOSE 80
+
+# Comando default do NGINX
+CMD ["nginx", "-g", "daemon off;"]