Upload 3 files

Dockerfile

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+FROM node:20
+WORKDIR /app
+COPY package.json ./
+RUN npm install
+COPY . .
+EXPOSE 7860
+CMD ["npm", "start"]

index.js

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+import express from "express";
+import OpenAI from "openai";
+
+const app = express();
+app.use(express.json());
+
+const openai = new OpenAI({
+  apiKey: process.env.OPENAI_API_KEY,
+});
+
+app.get("/", (req, res) => {
+  res.send("✅ Node.js OpenAI Proxy is running!");
+});
+
+app.post("/api/chat", async (req, res) => {
+  try {
+    const { messages } = req.body;
+    if (!messages) {
+      return res.status(400).json({ error: "Поле 'messages' обязательно." });
+    }
+
+    const completion = await openai.chat.completions.create({
+      model: "gpt-4o-mini",
+      messages,
+    });
+
+    res.json(completion.choices[0].message);
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ error: err.message });
+  }
+});
+
+app.listen(7860, () => console.log("Server running on port 7860"));

package.json

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+{
+  "name": "openai-proxy",
+  "version": "1.0.0",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "start": "node index.js"
+  },
+  "dependencies": {
+    "express": "^4.19.2",
+    "openai": "^4.0.0"
+  }
+}