fix

Author: successbyfailure

backend/.gitignore

@@ -0,0 +1,3 @@
+node_modules/
+data/
+npm-debug.log

backend/Dockerfile

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+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package.json .
+RUN npm install --production
+
+COPY server.js .
+
+RUN mkdir -p data
+
+EXPOSE 3000
+
+CMD ["npm", "start"]

backend/package.json

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+{
+  "name": "workshop-survey-backend",
+  "version": "1.0.0",
+  "description": "Backend API para encuesta del taller Humanos Opcionales",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "cors": "^2.8.5"
+  }
+}

backend/server.js

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+const express = require('express');
+const cors = require('cors');
+const fs = require('fs').promises;
+const path = require('path');
+
+const app = express();
+const PORT = 3000;
+const DATA_FILE = path.join(__dirname, 'data', 'responses.json');
+
+app.use(cors());
+app.use(express.json());
+
+async function ensureDataFile() {
+  try {
+    await fs.mkdir(path.dirname(DATA_FILE), { recursive: true });
+    try {
+      await fs.access(DATA_FILE);
+    } catch {
+      await fs.writeFile(DATA_FILE, JSON.stringify([]));
+    }
+  } catch (error) {
+    console.error('Error creating data file:', error);
+  }
+}
+
+async function readResponses() {
+  try {
+    const data = await fs.readFile(DATA_FILE, 'utf8');
+    return JSON.parse(data);
+  } catch (error) {
+    console.error('Error reading responses:', error);
+    return [];
+  }
+}
+
+async function writeResponses(responses) {
+  try {
+    await fs.writeFile(DATA_FILE, JSON.stringify(responses, null, 2));
+    return true;
+  } catch (error) {
+    console.error('Error writing responses:', error);
+    return false;
+  }
+}
+
+app.get('/api/responses', async (req, res) => {
+  const responses = await readResponses();
+  res.json(responses);
+});
+
+app.post('/api/responses', async (req, res) => {
+  const newResponse = {
+    ...req.body,
+    timestamp: new Date().toISOString()
+  };
+
+  const responses = await readResponses();
+  responses.push(newResponse);
+
+  const success = await writeResponses(responses);
+
+  if (success) {
+    res.status(201).json({ message: 'Response saved', response: newResponse });
+  } else {
+    res.status(500).json({ error: 'Failed to save response' });
+  }
+});
+
+app.get('/health', (req, res) => {
+  res.json({ status: 'ok' });
+});
+
+ensureDataFile().then(() => {
+  app.listen(PORT, '0.0.0.0', () => {
+    console.log(`Survey API running on port ${PORT}`);
+  });
+});

nginx.conf

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+server {
+    listen 80;
+    server_name localhost;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Servir archivos estáticos
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Proxy para API backend
+    location /api/ {
+        proxy_pass http://backend:3000/api/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+        proxy_cache_bypass $http_upgrade;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}