arcadia-suite-sv/server/metabase/proxy.ts

43 lines
1.4 KiB
TypeScript

import { Express, Response } from "express";
import { createProxyMiddleware } from "http-proxy-middleware";
const METABASE_HOST = process.env.METABASE_HOST || "localhost";
const METABASE_PORT = parseInt(process.env.METABASE_PORT || "8088", 10);
const METABASE_TIMEOUT = 60000;
export function setupMetabaseProxy(app: Express): void {
const metabaseTarget = `http://${METABASE_HOST}:${METABASE_PORT}`;
const metabaseProxy = createProxyMiddleware({
target: metabaseTarget,
changeOrigin: true,
timeout: METABASE_TIMEOUT,
proxyTimeout: METABASE_TIMEOUT,
pathRewrite: {
"^/metabase": "",
},
on: {
error: (err, _req, res) => {
console.error("[Metabase Proxy] Error:", err.message);
if (res && typeof (res as Response).status === "function") {
(res as Response).status(502).json({
error: "Metabase indisponível",
message: "O Metabase está iniciando ou não está acessível. Tente novamente em alguns segundos.",
target: metabaseTarget,
});
}
},
proxyRes: (proxyRes, _req, _res) => {
const location = proxyRes.headers["location"];
if (location && typeof location === "string" && location.startsWith("/")) {
proxyRes.headers["location"] = `/metabase${location}`;
}
},
},
});
app.use("/metabase", metabaseProxy);
console.log(`[Metabase Proxy] Configurado -> /metabase/* => ${metabaseTarget}`);
}