initial release (don't judge me pls)

.gitignore

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+node_modules
+package-lock.json

docker-compose.yml

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+version: "2"
+services:
+  node:
+    image: "node:16"
+    user: "node"
+    restart: unless-stopped
+    working_dir: /home/node/app
+    environment:
+      - NODE_ENV=production
+    volumes:
+      - ./:/home/node/app
+      - /media/hddmain/security:/snapshot
+    ports:
+      - 7256:80
+    command: "npm start"

index.js

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+const express = require('express');
+const app = express();
+const port = 80;
+
+const http = require("http");
+const fs = require('fs');
+
+const SNAPSHOT_URL = "http://192.168.1.68/cgi-bin/api.cgi?cmd=Snap&channel=0&rs=wuuPhkmUCeI9WG7C&user=admin&password=WX12cv06,"
+
+function snapshotPath(){
+    let date = new Date();
+
+    return "/snapshot/snapshot-"
+        + date.getFullYear()
+        + date.getMonth()
+        + date.getDay()
+        + "-"
+        + date.getHours()
+        + date.getMinutes()
+        + date.getSeconds()
+        + "-"
+        + date.getMilliseconds()
+        +".jpg";
+}
+
+
+function snapshot() {
+    http.get(SNAPSHOT_URL, (res) => {
+        res.pipe(fs.createWriteStream(snapshotPath()));
+    });
+}
+
+app.get('/snapshot', (req, res) => {
+		try{		
+			snapshot();
+			res.send('ok');
+		} catch(e) 
+		{
+			res.status(500).send(e);
+		}
+  });
+
+app.get('/', (req, res) => {
+  res.send('Hello World!');
+});
+
+app.listen(port, () => {
+  console.log(`Example app listening at http://localhost:${port}`);
+});

package.json

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+{
+  "name": "relay",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "npm install && node index.js",
+	"test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "dateformat": "^5.0.3",
+    "express": "^4.18.2"
+  }
+}