feat: configure ports, db url and api url with env variables

frontend/next.config.js

@@ -19,4 +19,7 @@ module.exports = withPWA({
   output: "standalone", env: {
     VERSION: version,
   },
+  serverRuntimeConfig: {
+    apiURL: process.env.API_URL ?? 'http://localhost:8080',
+  },
 });