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# 1️⃣ BUILD STAGE
############################
FROM node:20-alpine AS builder

# Define diretório de trabalho
WORKDIR /app

# Copia os manifests de dependências
COPY package*.json ./

# Instala dependências
RUN npm install

# Copia o restante do código
COPY . .

# Builda para produção
RUN npm run build


############################
# 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;"]