Allow disabling HTML browse pages (mat#72)

The environment variable DISABLE_BROWSE_PAGES can be used to disable all HTML pages which can be used to minimize the footprint of the iconserver.
MONEI · Jan 24, 2022 · 431a4be · 431a4be
1 parent 695fa4c
commit 431a4be
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Showing 2 changed files with 15 additions and 9 deletions.
diff --git a/Readme.markdown b/Readme.markdown
@@ -132,6 +132,7 @@ There is not a lot to configure, but these environment variables exist
 | `CORS_ALLOWED_ORIGINS`   | Comma-separated, passed to middleware                                                                                                                                                      |                            |
 | `CORS_ALLOW_CREDENTIALS` | Boolean, passed to middleware                                                                                                                                                              |                            |
 | `CORS_DEBUG`             | Boolean, passed to middleware                                                                                                                                                              |                            |
+| `DISABLE_BROWSE_PAGES`   | Boolean, if true, the server will not serve any of the HTML pages                                                                                                                          | false                      |
 | `HOST_ONLY_DOMAINS`      |                                                                                                                                                                                            | \*                         |
 | `HTTP_CLIENT_TIMEOUT`    | Timeout used for HTTP requests. Supports units like ms, s, m.                                                                                                                              | 5s                         |
 | `HTTP_MAX_AGE_DURATION`  | Cache duration for all dynamically generated HTTP responses. Supports units like ms, s, m.                                                                                                 | 720h _(30 days)_           |

diff --git a/besticon/iconserver/server.go b/besticon/iconserver/server.go
@@ -254,20 +254,25 @@ func renderHTMLTemplate(w http.ResponseWriter, httpStatus int, templ *template.T
 }
 
 func startServer(port string, address string) {
-	registerHandler("/", indexHandler)
-	registerHandler("/icons", iconsHandler)
 	registerHandler("/icon", iconHandler)
-	registerHandler("/popular", popularHandler)
 	registerHandler("/allicons.json", alliconsHandler)
 	registerHandler("/lettericons/", lettericonHandler)
 
-	serveAsset("/pure-0.5.0-min.css", "pure-0.5.0-min.css", oneYear)
-	serveAsset("/grids-responsive-0.5.0-min.css", "grids-responsive-0.5.0-min.css", oneYear)
-	serveAsset("/main-min.css", "main-min.css", oneYear)
+	disableBrowsePages := getTrueFromEnv("DISABLE_BROWSE_PAGES")
 
-	serveAsset("/icon.svg", "icon.svg", oneYear)
-	serveAsset("/favicon.ico", "favicon.ico", oneYear)
-	serveAsset("/apple-touch-icon.png", "apple-touch-icon.png", oneYear)
+	if !disableBrowsePages {
+		registerHandler("/", indexHandler)
+		registerHandler("/icons", iconsHandler)
+		registerHandler("/popular", popularHandler)
+
+		serveAsset("/pure-0.5.0-min.css", "pure-0.5.0-min.css", oneYear)
+		serveAsset("/grids-responsive-0.5.0-min.css", "grids-responsive-0.5.0-min.css", oneYear)
+		serveAsset("/main-min.css", "main-min.css", oneYear)
+
+		serveAsset("/icon.svg", "icon.svg", oneYear)
+		serveAsset("/favicon.ico", "favicon.ico", oneYear)
+		serveAsset("/apple-touch-icon.png", "apple-touch-icon.png", oneYear)
+	}
 
 	metricsPath := getenvOrFallback("METRICS_PATH", "/metrics")