Merge pull request #24 from ipfs/feat/use-constants-file

src/constants.ts

@@ -0,0 +1,3 @@
+export const PORT = Number(process.env.PORT ?? 8080)
+
+export const HOST = process.env.HOST ?? '0.0.0.0'

src/healthcheck.ts

@@ -1,8 +1,9 @@
 #!/usr/bin/env node
+import { HOST, PORT } from './constants.js'
 /**
  * This healthcheck script is used to check if the server is running and healthy.
  */
-const rootReq = await fetch(`http://localhost:${process.env.PORT ?? 8080}`, { method: 'GET' })
+const rootReq = await fetch(`http://${HOST}:${PORT}`, { method: 'GET' })
 const status = rootReq.status
 // eslint-disable-next-line no-console
 console.log(`Healthcheck status: ${status}`)

src/index.ts

@@ -2,6 +2,7 @@ import debug from 'debug'
 import express from 'express'
 import promBundle from 'express-prom-bundle'
 import session from 'express-session'
+import { HOST, PORT } from './constants.js'
 import { HeliaServer, type IRouteEntry } from './heliaServer.js'
 
 const logger = debug('helia-server')
@@ -10,10 +11,6 @@ const promMetricsMiddleware = promBundle({ includeMethod: true })
 const heliaServer = new HeliaServer(logger)
 await heliaServer.isReady
 
-// Constants
-const PORT = (process?.env?.PORT ?? 8080) as number
-const HOST = process?.env?.HOST ?? '0.0.0.0'
-
 // Add the prometheus middleware
 const app = express()
 app.use(promMetricsMiddleware)