From c7851da84a553ca2e29f5131e3e6c550ec5b7d2c Mon Sep 17 00:00:00 2001
From: Bill Church <wmchurch@gmail.com>
Date: Thu, 20 May 2021 16:35:34 -0400
Subject: [PATCH] chore: take same config options from env and override

port, listen ip, session name, session secret
---
 app/server/config.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/app/server/config.js b/app/server/config.js
index 3862502..80f7bde 100644
--- a/app/server/config.js
+++ b/app/server/config.js
@@ -83,6 +83,14 @@ let config = {
   safeShutdownDuration: 300,
 };
 
+// We want our environment varaibles to take priority if they're set
+function setOverrides() {
+  config.listen.ip = process.env.LISTEN_IP || config.listen.ip;
+  config.listen.port = process.env.PORT || config.listen.port;
+  config.session.name = process.env.SESSION_NAME || config.session.name;
+  config.session.secret = process.env.SESSION_SECRET || config.session.secret;
+}
+
 // test if config.json exists, if not provide error message but try to run anyway
 try {
   if (fs.existsSync(configPath)) {
@@ -90,11 +98,14 @@ try {
     console.info(`WebSSH2 service reading config from: ${configPath}`);
     // eslint-disable-next-line global-require
     config = require('read-config-ng')(configPath);
+    // setup overrides for environment variables
+    setOverrides();
   } else {
     console.error(
       `\n\nERROR: Missing config.json for WebSSH2. Current config: ${JSON.stringify(config)}`
     );
     console.error('\n  See config.json.sample for details\n\n');
+    setOverrides();
   }
 } catch (err) {
   console.error(