diff --git a/compose-dev-backend.yml b/compose-dev-backend.yml
index 6c0ab3e6..bbdedf93 100644
--- a/compose-dev-backend.yml
+++ b/compose-dev-backend.yml
@@ -35,8 +35,8 @@ services:
             - "8084:8084" # local oauth2 server
 
         environment:
-#            - APP_UID=1000
-#            - TIME_ZONE=GMT
+            #            - APP_UID=1000
+            #            - TIME_ZONE=GMT
             - REMARK_URL=http://127.0.0.1:8080
             - SECRET=12345
             - STORE_BOLT_PATH=/srv/var/db
@@ -57,5 +57,7 @@ services:
             - AUTH_GITHUB_CSEC=1111
             - AUTH_FACEBOOK_CID=1111
             - AUTH_FACEBOOK_CSEC=1111
+            - AUTH_TWITTER_CID=1111
+            - AUTH_TWITTER_CSEC=1111
         volumes:
             - ./var:/srv/var
diff --git a/frontend/app/common/constants.ts b/frontend/app/common/constants.ts
index 6e22940f..c05a2400 100644
--- a/frontend/app/common/constants.ts
+++ b/frontend/app/common/constants.ts
@@ -17,6 +17,7 @@ export const DEFAULT_SORT: Sorting = '-active';
 /* matches auth providers to UI label */
 export const PROVIDER_NAMES: { [P in AuthProvider['name']]: string } = {
   google: 'Google',
+  twitter: 'Twitter',
   facebook: 'Facebook',
   github: 'GitHub',
   yandex: 'Yandex',
diff --git a/frontend/app/common/types.ts b/frontend/app/common/types.ts
index debc98d5..66f181e6 100644
--- a/frontend/app/common/types.ts
+++ b/frontend/app/common/types.ts
@@ -126,6 +126,7 @@ export type AuthProvider =
   | { name: 'facebook' }
   | { name: 'github' }
   | { name: 'yandex' }
+  | { name: 'twitter' }
   | { name: 'dev' }
   | { name: 'anonymous'; username: string }
   | { name: 'email'; token: string };