From dc58f98a4fff3d22ccb8afb50c4b40ed552fe3b3 Mon Sep 17 00:00:00 2001 From: Luke Cheng Date: Tue, 19 Mar 2024 22:37:21 -0400 Subject: [PATCH] migrate backend to google cloud run & AI to Gemini --- .gitignore | 2 + {api => api-azure}/.funcignore | 0 {api => api-azure}/.gitignore | 0 {api => api-azure}/host.json | 0 {api => api-azure}/package-lock.json | 0 {api => api-azure}/package.json | 0 {api => api-azure}/src/functions/chat.js | 0 api-express/.dockerignore | 34 + api-express/Dockerfile | 13 + api-express/README.Docker.md | 22 + api-express/compose.yaml | 51 + api-express/index.js | 58 + api-express/package-lock.json | 1343 ++++++++++++++++++++++ api-express/package.json | 25 + api-express/readme.md | 1 + backend/server.js | 90 +- frontend/src/App.js | 2 +- frontend/src/components/Footer.js | 1 + frontend/src/pages/ChatAssistant.js | 4 + 19 files changed, 1579 insertions(+), 67 deletions(-) rename {api => api-azure}/.funcignore (100%) rename {api => api-azure}/.gitignore (100%) rename {api => api-azure}/host.json (100%) rename {api => api-azure}/package-lock.json (100%) rename {api => api-azure}/package.json (100%) rename {api => api-azure}/src/functions/chat.js (100%) create mode 100644 api-express/.dockerignore create mode 100644 api-express/Dockerfile create mode 100644 api-express/README.Docker.md create mode 100644 api-express/compose.yaml create mode 100644 api-express/index.js create mode 100644 api-express/package-lock.json create mode 100644 api-express/package.json create mode 100644 api-express/readme.md diff --git a/.gitignore b/.gitignore index 01774db..492ebe8 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,5 @@ +**.env + # Logs logs *.log diff --git a/api/.funcignore b/api-azure/.funcignore similarity index 100% rename from api/.funcignore rename to api-azure/.funcignore diff --git a/api/.gitignore b/api-azure/.gitignore similarity index 100% rename from api/.gitignore rename to api-azure/.gitignore diff --git a/api/host.json b/api-azure/host.json similarity index 100% rename from api/host.json rename to api-azure/host.json diff --git a/api/package-lock.json b/api-azure/package-lock.json similarity index 100% rename from api/package-lock.json rename to api-azure/package-lock.json diff --git a/api/package.json b/api-azure/package.json similarity index 100% rename from api/package.json rename to api-azure/package.json diff --git a/api/src/functions/chat.js b/api-azure/src/functions/chat.js similarity index 100% rename from api/src/functions/chat.js rename to api-azure/src/functions/chat.js diff --git a/api-express/.dockerignore b/api-express/.dockerignore new file mode 100644 index 0000000..fd00eaa --- /dev/null +++ b/api-express/.dockerignore @@ -0,0 +1,34 @@ +# Include any files or directories that you don't want to be copied to your +# container here (e.g., local build artifacts, temporary files, etc.). +# +# For more help, visit the .dockerignore file reference guide at +# https://docs.docker.com/go/build-context-dockerignore/ + +**/.classpath +**/.dockerignore +**/.env +**/.git +**/.gitignore +**/.project +**/.settings +**/.toolstarget +**/.vs +**/.vscode +**/.next +**/.cache +**/*.*proj.user +**/*.dbmdl +**/*.jfm +**/charts +**/docker-compose* +**/compose* +**/Dockerfile* +**/node_modules +**/npm-debug.log +**/obj +**/secrets.dev.yaml +**/values.dev.yaml +**/build +**/dist +LICENSE +README.md diff --git a/api-express/Dockerfile b/api-express/Dockerfile new file mode 100644 index 0000000..455fa8a --- /dev/null +++ b/api-express/Dockerfile @@ -0,0 +1,13 @@ +FROM node:20.10.0 + +WORKDIR /app + +COPY package*.json ./ + +RUN npm install + +COPY . . + +EXPOSE 8080 + +CMD ["npm", "start"] diff --git a/api-express/README.Docker.md b/api-express/README.Docker.md new file mode 100644 index 0000000..5a7ddff --- /dev/null +++ b/api-express/README.Docker.md @@ -0,0 +1,22 @@ +### Building and running your application + +When you're ready, start your application by running: +`docker compose up --build`. + +Your application will be available at http://localhost:4000. + +### Deploying your application to the cloud + +First, build your image, e.g.: `docker build -t myapp .`. +If your cloud uses a different CPU architecture than your development +machine (e.g., you are on a Mac M1 and your cloud provider is amd64), +you'll want to build the image for that platform, e.g.: +`docker build --platform=linux/amd64 -t myapp .`. + +Then, push it to your registry, e.g. `docker push myregistry.com/myapp`. + +Consult Docker's [getting started](https://docs.docker.com/go/get-started-sharing/) +docs for more detail on building and pushing. + +### References +* [Docker's Node.js guide](https://docs.docker.com/language/nodejs/) \ No newline at end of file diff --git a/api-express/compose.yaml b/api-express/compose.yaml new file mode 100644 index 0000000..79cd61c --- /dev/null +++ b/api-express/compose.yaml @@ -0,0 +1,51 @@ +# Comments are provided throughout this file to help you get started. +# If you need more help, visit the Docker Compose reference guide at +# https://docs.docker.com/go/compose-spec-reference/ + +# Here the instructions define your application as a service called "server". +# This service is built from the Dockerfile in the current directory. +# You can add other services your application may depend on here, such as a +# database or a cache. For examples, see the Awesome Compose repository: +# https://github.com/docker/awesome-compose +services: + server: + build: + context: . + environment: + NODE_ENV: production + ports: + - 4000:4000 + +# The commented out section below is an example of how to define a PostgreSQL +# database that your application can use. `depends_on` tells Docker Compose to +# start the database before your application. The `db-data` volume persists the +# database data between container restarts. The `db-password` secret is used +# to set the database password. You must create `db/password.txt` and add +# a password of your choosing to it before running `docker-compose up`. +# depends_on: +# db: +# condition: service_healthy +# db: +# image: postgres +# restart: always +# user: postgres +# secrets: +# - db-password +# volumes: +# - db-data:/var/lib/postgresql/data +# environment: +# - POSTGRES_DB=example +# - POSTGRES_PASSWORD_FILE=/run/secrets/db-password +# expose: +# - 5432 +# healthcheck: +# test: [ "CMD", "pg_isready" ] +# interval: 10s +# timeout: 5s +# retries: 5 +# volumes: +# db-data: +# secrets: +# db-password: +# file: db/password.txt + diff --git a/api-express/index.js b/api-express/index.js new file mode 100644 index 0000000..e8d5552 --- /dev/null +++ b/api-express/index.js @@ -0,0 +1,58 @@ +const express = require("express"); +const cors = require("cors"); +const { GoogleGenerativeAI } = require("@google/generative-ai"); +const genAI = new GoogleGenerativeAI(process.env.GEMINI_API_KEY); + +// Import the rate-limiting middleware. +const rateLimit = require('express-rate-limit') + + +const limiter = rateLimit({ + windowMs: 15 * 60 * 1000, // 15 minutes + limit: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes). + standardHeaders: 'draft-7', // draft-6: `RateLimit-*` headers; draft-7: combined `RateLimit` header + legacyHeaders: false, // Disable the `X-RateLimit-*` headers. + // store: ... , // Redis, Memcached, etc. See below. +}) + +// +const app = express(); +app.use(limiter) +app.use(cors()); +app.use(express.json()); + +app.get("/", (req, res) => { + res.status(200).send("hello world!"); +}); + +app.post("/api/chat", async (req, res) => { + if (!req.body || !req.body.message) { + return res.status(400).json({ message: "No message provided" }); + } + const { message, history = [] } = req.body; + + const model = genAI.getGenerativeModel({ model: "gemini-pro" }); + console.log(JSON.stringify(history)); + const chat = model.startChat({ + history: history.map((msg) => ({ + role: msg.role === "user" ? "user" : "model", + parts: [{ text: msg.text || "" }], + })), + }); + + // console.log(msg); + const result = await chat.sendMessage(message); + const response = await result.response; + const text = response.text(); + console.log(text); + res.json({ message: text }); +}); + +// Handle 404 +app.use(function (request, response) { + response.status(404).json({ message: "Undefined API routes" }); +}); + +const listener = app.listen(process.env.PORT || 4000, function () { + console.log("Your app is listening on port " + listener.address().port); +}); diff --git a/api-express/package-lock.json b/api-express/package-lock.json new file mode 100644 index 0000000..9c9d109 --- /dev/null +++ b/api-express/package-lock.json @@ -0,0 +1,1343 @@ +{ + "name": "website-backend", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "website-backend", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "@google-cloud/vertexai": "^0.5.0", + 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a/api-express/package.json b/api-express/package.json new file mode 100644 index 0000000..cdefd80 --- /dev/null +++ b/api-express/package.json @@ -0,0 +1,25 @@ +{ + "name": "website-backend", + "version": "1.0.0", + "description": "backend of my website", + "main": "index.js", + "scripts": { + "start": "node index.js", + "dev": "nodemon index.js", + "test": "echo \"Error: no test specified\" && exit 1" + }, + "author": "Luke Cheng", + "license": "ISC", + "dependencies": { + "@google-cloud/vertexai": "^0.5.0", + "@google/generative-ai": "^0.3.1", + "cors": "^2.8.5", + "express": "^4.18.3", + "express-rate-limit": "^7.2.0", + "nodemon": "^3.1.0" + }, + "repository": { + "type": "git", + "url": "https://github.com/Lujia-Cheng/lujia-cheng.github.io.git" + } +} diff --git a/api-express/readme.md b/api-express/readme.md new file mode 100644 index 0000000..9af985f --- /dev/null +++ b/api-express/readme.md @@ -0,0 +1 @@ +server deployed to google cloud run. docker is not use currently. \ No newline at end of file diff --git a/backend/server.js b/backend/server.js index ca1c416..44e5e9f 100644 --- a/backend/server.js +++ b/backend/server.js @@ -2,14 +2,20 @@ const express = require("express"); const cors = require("cors"); const mongoose = require("mongoose"); +const { OpenAI } = require("openai"); + +const openai = new OpenAI({ + apiKey: "", +}); + // const bcrypt = require("bcrypt"); // const validator = require("validator"); // const jwt = require("jsonwebtoken"); -const { - GoogleGenerativeAI, - HarmCategory, - HarmBlockThreshold, -} = require("@google/generative-ai"); +// const { +// GoogleGenerativeAI, +// HarmCategory, +// HarmBlockThreshold, +// } = require("@google/generative-ai"); const helmet = require("helmet"); const app = express(); @@ -33,72 +39,24 @@ app.get("/", (req, res) => { }); app.post("/api/chat", async (req, res) => { - if (!req.body.message) { + if (!req.body || !req.body.message) { return res.status(400).json({ message: "No message provided" }); } - // node --version # Should be >= 18 - // npm install @google/generative-ai - const MODEL_NAME = "gemini-1.0-pro"; - const AI_API_KEY = - process.env.GEMINI_API_KEY || - res.status(400).json({ message: "[backend] No API key provided" }); - - async function runChat() { - const genAI = new GoogleGenerativeAI(AI_API_KEY); - console.log(AI_API_KEY); - const model = genAI.getGenerativeModel({ model: MODEL_NAME }); - - const generationConfig = { - temperature: 0.9, - topK: 1, - topP: 1, - maxOutputTokens: 2048, - }; - - const safetySettings = [ + const { message, history } = req.body; + const completion = await openai.chat.completions.create({ + model: "gpt-3.5-turbo", + messages: [ { - category: HarmCategory.HARM_CATEGORY_HARASSMENT, - threshold: HarmBlockThreshold.BLOCK_ONLY_HIGH, + role: "system", + content: + "You are a greeter on a personal website. Be delightful and friendly.", }, - { - category: HarmCategory.HARM_CATEGORY_HATE_SPEECH, - threshold: HarmBlockThreshold.BLOCK_ONLY_HIGH, - }, - { - category: HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT, - threshold: HarmBlockThreshold.BLOCK_ONLY_HIGH, - }, - { - category: HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT, - threshold: HarmBlockThreshold.BLOCK_ONLY_HIGH, - }, - ]; - - const chat = model.startChat({ - generationConfig, - safetySettings, - // history: JSON.parse(req.body.history).map((msg) => msg.text), - /* todo map to - history: [ - { - role: "user", - parts: [{ text: "hi"}], - }, - { - role: "model", - parts: [{ text: "Hello! How can I help you today?"}], - }, - ],*/ - }); - - const result = await chat.sendMessage(req.body.message); // todo cancel if ai not responding. - - const response = result.response; // todo log the response to db - res.status(400).json({ message: response }); - } - - // todo api request via node @link https://platform.openai.com/docs/quickstart?context=node + ...history, + { role: "user", content: message }, + ], + }); + res.status(200).send(completion.choices[0]); }); // Handle 404 diff --git a/frontend/src/App.js b/frontend/src/App.js index ef462c6..b6c0797 100644 --- a/frontend/src/App.js +++ b/frontend/src/App.js @@ -48,7 +48,7 @@ export default function App() { sx={{ overflowY: "scroll", height: "100vh", - scrollSnapType: "y proximity", + scrollSnapType: "y mandatory", }} > diff --git a/frontend/src/pages/ChatAssistant.js b/frontend/src/pages/ChatAssistant.js index 752fd0d..5bdaab9 100644 --- a/frontend/src/pages/ChatAssistant.js +++ b/frontend/src/pages/ChatAssistant.js @@ -20,6 +20,10 @@ export default function ChatAssistant() { // fixme Load chat messages from sessionStorage useEffect(() => { + // ping api for initial connection + fetch( + `${process.env.REACT_APP_API_URL || "http://localhost:4000"}/api/chat` + ); const savedChatHistory = sessionStorage.getItem("chatMessages"); if (savedChatHistory) { setChatHistory(JSON.parse(savedChatHistory));