update draft post

content/posts/2024/62-mmdvm-hotspot-on-archlinux/index.md

@@ -2,7 +2,7 @@
 title: MMDVM hotspot on Archlinux
 summary: I wrote down the installation of a forked DStarGateway with a slim
     dashboard based on Javascript on a Raspberry Pi 2.
-date: 2024-01-28T23:12:00+0100
+date: 2024-01-29T09:41:00+0100
 #lastmod: 
 categories:
   - amateur-radio
@@ -298,6 +298,35 @@ to have the possibility to only serve the pages via plain old HTTP
 (without SSL/TLS) because I run most of my pages through a reverse-proxy
 that takes care of all the certification.
 
+If you don't need to use HTTPS you may find this patch interesting:
+
+~~~patch
+diff --git a/index.js b/index.js
+index 0c71092..502933e 100644
+--- a/index.js
++++ b/index.js
+@@ -1,4 +1,4 @@
+-const https = require("https");
++const http = require("http");
+ const fs = require("fs");
+ const ini = require("ini");
+ const lineReader = require('line-reader');
+@@ -32,12 +32,8 @@ updatelinks();
+
+ let serverPort = inifile.config.port;
+
+-const server = https
++const server = http
+        .createServer(
+-               {
+-                       key: fs.readFileSync("key.pem"),
+-                       cert: fs.readFileSync("cert.pem"),
+-               },
+                app
+        )
+        .listen(serverPort, ()=>{
+~~~
+
 Next we will modify the `dashboard.ini` file because we will change the
 port from 443 to 8443. Why? Because[^1]!
 
@@ -313,11 +342,28 @@ This might be confusing now, the host above does not listen to port 8443 because
 there is a reverse-proxy in-between (and actually a firewall/router too).
 {{< /alert >}}
 
+This configuration is now as slim as I could make, removing encryption on the dashboard
+made it even better in terms of performance and maintainability as we don't have to
+worry about our certificates on this host and no direct port-forwarding to this host
+has been made -- but our dashboard can still be accesses from the internet in encrypted
+form.
+
 The actual path of this host and how it will be routed:
 
-~~~plain
+{{< mermaid >}}
-User (internet) ⇒ router:443 (hotspot.oe7drt.net) ⇒ reverse-proxy:443 (internal-server.lan) ⇒ hotspot:8443 (internal-raspi.lan)
+%%{init: {"flowchart": {"htmlLabels": false}} }%%
-~~~
+graph LR;
+A([Internet user]):::usr -- "`**HTTPS**`" -->B["`router/firewall
+_hotspot.oe7drt.net_`"]:::fw;
+B-- "`**HTTPS**`" -->C["`reverse-proxy
+_proxy.lan_`"]:::rev;
+C-- "`**HTTP**`" -->D["`hotspot dashboard
+_hotspot.lan_`"]:::dash;
+classDef usr stroke:#faa
+classDef fw stroke:#f55
+classDef rev stroke:#9f9
+classDef dash stroke:#0f0
+{{< /mermaid >}}
 
 We will disable the shell for the _dashboard_ user because we normally
 won't have to login as _dashboard_ user again.