add env vars for auth

server.js

@@ -23,24 +23,34 @@ export class Server {
     const env = await this.getEnv([
       'PORT',
       'BASE_URL',
+      'REMOTE_BASE_URL',
       'GITEA_APP_BASE_URL',
       'GITEA_API_BASE_URL',
+      'GITEA_CLIENT_ID',
+      'GITEA_CLIENT_SECRET',
     ])
     this.port = env.PORT ?? 3000
     this.baseUrl = env.BASE_URL ?? '/macchiato'
+    this.remoteBaseUrl = env.REMOTE_BASE_URL
     this.giteaAppBaseUrl = (
       env.GITEA_APP_BASE_URL ?? 'http://gitea:3000'
     )
     this.giteaApiBaseUrl = (
       env.GITEA_API_BASE_URL ?? 'http://gitea:3000/api/v1'
     )
+    this.giteaClientId = env.GITEA_CLIENT_ID
+    this.giteaClientSecret = env.GITEA_CLIENT_SECRET
   }
 
   async init() {
     if (this.port === undefined) {
       await this.configure()
     }
-    this.auth = new Auth()
+    this.auth = new Auth({
+      remoteBaseUrl: this.remoteBaseUrl,
+      clientId: this.giteaClientId,
+      clientSecret: this.giteaClientSecret,
+    })
     this.frontend = new Frontend({
       appBaseUrl: this.giteaAppBaseUrl,
       apiBaseUrl: this.giteaApiBaseUrl,