theis.gaedigk/fallback-page
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Add backend setup with Docker, Express, and error handling page

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This commit is contained in:
Theis Gaedigk
2025-09-25 13:52:10 +02:00
parent 6eb40bb0ef
commit 77d51fd243
6 changed files with 207 additions and 0 deletions
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12
backend/Dockerfile
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@@ -0,0 +1,12 @@
FROM node:20-alpine
WORKDIR /backend
COPY package*.json ./
RUN npm install
COPY . .
EXPOSE 8002
CMD ["npm", "start"]

104
backend/package-lock.json generated
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@@ -9,6 +9,8 @@
"version": "1.0.0",
"license": "ISC",
"dependencies": {
"cors": "^2.8.5",
"ejs": "^3.1.10",
"express": "^5.1.0"
}
},
@@ -25,6 +27,18 @@
"node": ">= 0.6"
}
},
"node_modules/async": {
"version": "3.2.6",
"resolved": "https://registry.npmjs.org/async/-/async-3.2.6.tgz",
"integrity": "sha512-htCUDlxyyCLMgaM3xXg0C0LW2xqfuQ6p05pCEIsXuyQ+a1koYKTuBMzRNwmybfLgvJDMd0r1LTn4+E0Ti6C2AA==",
"license": "MIT"
},
"node_modules/balanced-match": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
"integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
"license": "MIT"
},
"node_modules/body-parser": {
"version": "2.2.0",
"resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.2.0.tgz",
@@ -45,6 +59,15 @@
"node": ">=18"
}
},
"node_modules/brace-expansion": {
"version": "2.0.2",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.2.tgz",
"integrity": "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==",
"license": "MIT",
"dependencies": {
"balanced-match": "^1.0.0"
}
},
"node_modules/bytes": {
"version": "3.1.2",
"resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -122,6 +145,19 @@
"node": ">=6.6.0"
}
},
"node_modules/cors": {
"version": "2.8.5",
"resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
"integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
"license": "MIT",
"dependencies": {
"object-assign": "^4",
"vary": "^1"
},
"engines": {
"node": ">= 0.10"
}
},
"node_modules/debug": {
"version": "4.4.3",
"resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
@@ -168,6 +204,21 @@
"integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow==",
"license": "MIT"
},
"node_modules/ejs": {
"version": "3.1.10",
"resolved": "https://registry.npmjs.org/ejs/-/ejs-3.1.10.tgz",
"integrity": "sha512-UeJmFfOrAQS8OJWPZ4qtgHyWExa088/MtK5UEyoJGFH67cDEXkZSviOiKRCZ4Xij0zxI3JECgYs3oKx+AizQBA==",
"license": "Apache-2.0",
"dependencies": {
"jake": "^10.8.5"
},
"bin": {
"ejs": "bin/cli.js"
},
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/encodeurl": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-2.0.0.tgz",
@@ -264,6 +315,15 @@
"url": "https://opencollective.com/express"
}
},
"node_modules/filelist": {
"version": "1.0.4",
"resolved": "https://registry.npmjs.org/filelist/-/filelist-1.0.4.tgz",
"integrity": "sha512-w1cEuf3S+DrLCQL7ET6kz+gmlJdbq9J7yXCSjK/OZCPA+qEN1WyF4ZAf0YYJa4/shHJra2t/d/r8SV4Ji+x+8Q==",
"license": "Apache-2.0",
"dependencies": {
"minimatch": "^5.0.1"
}
},
"node_modules/finalhandler": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.0.tgz",
@@ -439,6 +499,23 @@
"integrity": "sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==",
"license": "MIT"
},
"node_modules/jake": {
"version": "10.9.4",
"resolved": "https://registry.npmjs.org/jake/-/jake-10.9.4.tgz",
"integrity": "sha512-wpHYzhxiVQL+IV05BLE2Xn34zW1S223hvjtqk0+gsPrwd/8JNLXJgZZM/iPFsYc1xyphF+6M6EvdE5E9MBGkDA==",
"license": "Apache-2.0",
"dependencies": {
"async": "^3.2.6",
"filelist": "^1.0.4",
"picocolors": "^1.1.1"
},
"bin": {
"jake": "bin/cli.js"
},
"engines": {
"node": ">=10"
}
},
"node_modules/math-intrinsics": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
@@ -490,6 +567,18 @@
"node": ">= 0.6"
}
},
"node_modules/minimatch": {
"version": "5.1.6",
"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-5.1.6.tgz",
"integrity": "sha512-lKwV/1brpG6mBUFHtb7NUmtABCb2WZZmm2wNiOA5hAb8VdCS4B3dtMWyvcoViccwAW/COERjXLt0zP1zXUN26g==",
"license": "ISC",
"dependencies": {
"brace-expansion": "^2.0.1"
},
"engines": {
"node": ">=10"
}
},
"node_modules/ms": {
"version": "2.1.3",
"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -505,6 +594,15 @@
"node": ">= 0.6"
}
},
"node_modules/object-assign": {
"version": "4.1.1",
"resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
"integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
"license": "MIT",
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/object-inspect": {
"version": "1.13.4",
"resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
@@ -557,6 +655,12 @@
"url": "https://opencollective.com/express"
}
},
"node_modules/picocolors": {
"version": "1.1.1",
"resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
"integrity": "sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==",
"license": "ISC"
},
"node_modules/proxy-addr": {
"version": "2.0.7",
"resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",

2
backend/package.json
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@@ -10,6 +10,8 @@
"license": "ISC",
"description": "",
"dependencies": {
"cors": "^2.8.5",
"ejs": "^3.1.10",
"express": "^5.1.0"
}
}

25
backend/server.js
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@@ -0,0 +1,25 @@
import express from "express";
import cors from "cors";
const app = express();
const port = 8002;
app.use(cors());
// Increase body size limits to support large CSV JSON payloads
app.use(express.urlencoded({ extended: true, limit: "10mb" }));
app.set("view engine", "ejs");
app.use(express.json({ limit: "10mb" }));
app.get("/", (req, res) => {
res.status(502).render("index.ejs");
});
app.listen(port, () => {
console.log(`Server is running on port: ${port}`);
});
// error handling code
app.use((err, req, res, next) => {
// Log the error stack and send a generic error response
console.error(err.stack);
res.status(500).send("Something broke!");
});

55
backend/views/index.ejs Normal file
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@@ -0,0 +1,55 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Oops - Something Went Wrong</title>
<style>
body {
margin: 0;
padding: 0;
height: 100vh;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
background: linear-gradient(135deg, #1e3c72, #2a5298);
font-family: Arial, sans-serif;
color: #fff;
text-align: center;
}
h1 {
font-size: 3rem;
margin-bottom: 2rem;
}
.btn {
display: inline-block;
padding: 1rem 2.5rem;
font-size: 1.2rem;
font-weight: bold;
color: #2a5298;
background-color: #fff;
border: none;
border-radius: 12px;
text-decoration: none;
box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
transform: translateY(-3px);
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.btn:active {
transform: translateY(1px);
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
</style>
</head>
<body>
<h1>Uuups, something went wrong 😕</h1>
<a href="https://status.the1s.de" class="btn">Check Status Page</a>
</body>
</html>