Diagnóstico y fix SQL Server: SERVERNAME, TDS_Version, Puerto explicitos

frontend/Dockerfile

@@ -0,0 +1,21 @@
+FROM node:18-alpine AS build
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm install
+
+COPY . .
+
+ARG VITE_API_BASE_URL=http://api-leads.escueladerefrigeracion.lat
+ENV VITE_API_BASE_URL=$VITE_API_BASE_URL
+
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=build /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]