Refactor Caddyfile configuration for headscale-admin (#7821)

ct/headscale.sh

@@ -53,3 +53,5 @@ description
 
 msg_ok "Completed Successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}Headscale API: ${IP}/api (no Frontend) | headscale-admin: http://${IP}/admin/${CL}"

install/headscale-install.sh

@@ -24,28 +24,26 @@ if [[ ${prompt,,} =~ ^(y|yes)$ ]]; then
   $STD caddy stop
   rm /etc/caddy/Caddyfile
   cat <<'EOF' >/etc/caddy/Caddyfile
-:{$PORT:80}
+:80
+
+redir /admin /admin/
 
 handle_path /admin* {
     root * /opt/headscale-admin
     encode gzip zstd
 
-        # Correct MIME types for JS/WASM
     header {
-                @js_files path *.js
-                @wasm_files path *.wasm
-
-                Content-Type @js_files application/javascript
-                Content-Type @wasm_files application/wasm
-
         X-Content-Type-Options nosniff
     }
 
-        # Fallback for SPA routing
-        try_files {path} {path}/ index.html
+    try_files {path} {path}/ /opt/headscale-admin/index.html
     file_server
 }
 
+handle /api/* {
+    reverse_proxy localhost:8080
+}
+
 EOF
   caddy fmt --overwrite /etc/caddy/Caddyfile
   systemctl start caddy