Allow configuring the URL to user documentation

cmd/drone-server/server.go

@@ -118,6 +118,12 @@ var flags = []cli.Flag{
 		Usage:  "file path for the drone config",
 		Value:  ".drone.yml",
 	},
+	cli.StringFlag{
+		EnvVar: "DRONE_DOCS,WOODPECKER_DOCS",
+		Name:   "docs",
+		Usage:  "link to user documentation",
+		Value:  "https://woodpecker.laszlo.cloud",
+	},
 	cli.DurationFlag{
 		EnvVar: "DRONE_SESSION_EXPIRES,WOODPECKER_SESSION_EXPIRES",
 		Name:   "session-expires",

cmd/drone-server/setup.go

@@ -203,6 +203,7 @@ func setupTree(c *cli.Context) *httptreemux.ContextMux {
 	web.New(
 		web.WithDir(c.String("www")),
 		web.WithSync(time.Hour*72),
+		web.WithDocs(c.String("docs"))
 	).Register(tree)
 	return tree
 }

web/src/screens/feed/index.js

@@ -172,7 +172,7 @@ const LOGO = (
       <br />
       <span>
         <a
-          href="https://woodpecker.laszlo.cloud"
+          href={window.DRONE_DOCS}
           target="_blank"
           rel="noopener noreferrer"
         >