Duplicate from Silan-Eclipse/openai-reverse-proxy

Co-authored-by: Roman Rickales <Silan-Eclipse@users.noreply.huggingface.co>

.gitattributes

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Dockerfile

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+FROM node:18
+
+WORKDIR /app
+
+RUN npm install express express-http-proxy
+
+COPY . .
+
+EXPOSE 7860
+
+CMD [ "node", "server.js" ]

README.md

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+---
+title: Openai Reverse Proxy
+emoji: 🏃
+colorFrom: gray
+colorTo: pink
+sdk: docker
+pinned: false
+duplicated_from: Silan-Eclipse/openai-reverse-proxy
+---
+
+Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference

server.js

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+const express = require('express');
+const proxy = require('express-http-proxy');
+const app = express();
+const targetUrl = 'https://api.openai.com';
+const openaiKey = process.env.OPENAI_KEY
+const port = 7860;
+const baseUrl = getExternalUrl(process.env.SPACE_ID);
+
+app.use('/api', proxy(targetUrl, {
+  proxyReqOptDecorator: (proxyReqOpts, srcReq) => {
+    // Modify the request headers if necessary
+    proxyReqOpts.headers['Authorization'] = 'Bearer '+openaiKey;
+    return proxyReqOpts;
+  },
+}));
+
+app.get("/", (req, res) => {
+  res.send(`This is your OpenAI Reverse Proxy URL: ${baseUrl}`);
+});
+
+function getExternalUrl(spaceId) {
+  try {
+    const [username, spacename] = spaceId.split("/");
+    return `https://${username}-${spacename.replace(/_/g, "-")}.hf.space/api/v1`;
+  } catch (e) {
+    return "";
+  }
+}
+
+app.listen(port, () => {
+  console.log(`Reverse proxy server running on ${baseUrl}`);
+});