diff --git a/B2C.md b/B2C.md
index 259074e..5a6e4a9 100644
--- a/B2C.md
+++ b/B2C.md
@@ -4,8 +4,22 @@
 - B2C feature added: https://github.com/wekan/wekan/commit/93be112a9454c894c1ce3146ed377e6a6aeca64a
 - Similar like [ADFS](ADFS), but `email` is first of array `userinfo[emails]`
 
+## Docker
+
+https://github.com/wekan/wekan/blob/main/docker-compose.yml
+
 ```
-OAUTH2_ENABLED=true
-OAUTH2_B2C_ENABLED=true
-OAUTH2_USERNAME_MAP=sub
+      - OAUTH2_ENABLED=true
+      - OAUTH2_B2C_ENABLED=true
+      - OAUTH2_USERNAME_MAP=sub
+      - OAUTH2_REQUEST_PERMISSIONS=openid email profile
+      - OAUTH2_CLIENT_ID=xxxxxxxx
+      - OAUTH2_SECRET=xxxxxxx
+      - OAUTH2_SERVER_URL=https://B2C_TENANT_NAME.b2clogin.com/B2C_TENANT_NAME.onmicrosoft.com/B2C_POLICY_NAME
+      - OAUTH2_AUTH_ENDPOINT=/oauth2/v2.0/authorize
+      - OAUTH2_TOKEN_ENDPOINT=/oauth2/v2.0/token
+      - OAUTH2_USERNAME_MAP=sub
+      - OAUTH2_EMAIL_MAP=email
+      - OAUTH2_FULLNAME_MAP=name
+      - OAUTH2_ID_MAP=sub
 ```