Mathew Lewis
47fe3c33e6
web (node) renders the seeded customers table plus container hostname. db (postgres:16-alpine) seeds five PII-shaped rows from db/init.sql.
73 lines
2.3 KiB
JavaScript
73 lines
2.3 KiB
JavaScript
const http = require("http");
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const os = require("os");
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const { Pool } = require("pg");
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const pool = new Pool({ connectionString: process.env.DATABASE_URL });
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const label = process.env.APP_LABEL || "VeilStream demo";
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const port = Number(process.env.PORT || 3000);
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const esc = (s) =>
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String(s).replace(/[&<>"]/g, (c) => ({ "&": "&", "<": "<", ">": ">", '"': """ }[c]));
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async function page() {
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let rows = [];
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let dbError = null;
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try {
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const r = await pool.query(
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"SELECT id, full_name, email, phone, city, plan, mrr_cents FROM customers ORDER BY id"
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);
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rows = r.rows;
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} catch (err) {
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dbError = err.message;
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}
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const body = dbError
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? `<p class="err">Database unreachable: ${esc(dbError)}</p>`
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: `<table>
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<tr><th>id</th><th>name</th><th>email</th><th>phone</th><th>city</th><th>plan</th><th>mrr</th></tr>
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${rows
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.map(
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(r) =>
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`<tr><td>${r.id}</td><td>${esc(r.full_name)}</td><td>${esc(r.email)}</td><td>${esc(
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r.phone
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)}</td><td>${esc(r.city)}</td><td>${esc(r.plan)}</td><td>$${(r.mrr_cents / 100).toFixed(
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2
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)}</td></tr>`
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)
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.join("\n ")}
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</table>
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<p class="meta">${rows.length} rows. If these values look like real people, the seed was not sanitized.</p>`;
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return `<!doctype html>
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<html><head><meta charset="utf-8"><title>${esc(label)}</title>
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<style>
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body{font:15px/1.5 -apple-system,system-ui,sans-serif;margin:2rem auto;max-width:52rem;padding:0 1rem}
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table{border-collapse:collapse;width:100%;margin:1rem 0}
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th,td{border:1px solid #ccc;padding:.4rem .6rem;text-align:left}
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th{background:#f4f4f4}
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.meta{color:#666}
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.err{color:#b00}
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dl{display:grid;grid-template-columns:max-content 1fr;gap:.2rem 1rem}
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dt{color:#666}
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</style></head><body>
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<h1>${esc(label)}</h1>
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<dl>
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<dt>hostname</dt><dd>${esc(os.hostname())}</dd>
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<dt>served at</dt><dd>${new Date().toISOString()}</dd>
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<dt>node</dt><dd>${esc(process.version)}</dd>
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</dl>
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${body}
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</body></html>`;
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}
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http
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.createServer(async (req, res) => {
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if (req.url === "/healthz") {
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res.writeHead(200, { "content-type": "text/plain" });
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return res.end("ok\n");
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}
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res.writeHead(200, { "content-type": "text/html; charset=utf-8" });
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res.end(await page());
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})
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.listen(port, "0.0.0.0", () => console.log(`listening on ${port}`));
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