diff --git a/docker/.env.example b/docker/.env.example
index 3412b1edaac..b6aa9a0fd95 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -43,6 +43,13 @@ SITE_URL=http://localhost:3000
 ADDITIONAL_REDIRECT_URLS=
 JWT_EXPIRY=3600
 DISABLE_SIGNUP=false
+API_EXTERNAL_URL=http://localhost:8000
+
+## Mailer Config
+MAILER_URLPATHS_CONFIRMATION="/auth/v1/verify"
+MAILER_URLPATHS_INVITE="/auth/v1/verify"
+MAILER_URLPATHS_RECOVERY="/auth/v1/verify"
+MAILER_URLPATHS_EMAIL_CHANGE="/auth/v1/verify"
 
 ## Email auth
 ENABLE_EMAIL_SIGNUP=true
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 3db87b2967c..c9c17cf7fc3 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -47,6 +47,7 @@ services:
     environment:
       GOTRUE_API_HOST: 0.0.0.0
       GOTRUE_API_PORT: 9999
+      API_EXTERNAL_URL: ${API_EXTERNAL_URL}
 
       GOTRUE_DB_DRIVER: postgres
       GOTRUE_DB_DATABASE_URL: postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}?search_path=auth
@@ -69,10 +70,10 @@ services:
       GOTRUE_SMTP_USER: ${SMTP_USER}
       GOTRUE_SMTP_PASS: ${SMTP_PASS}
       GOTRUE_SMTP_SENDER_NAME: ${SMTP_SENDER_NAME}
-      GOTRUE_MAILER_URLPATHS_INVITE: /auth/v1/verify
-      GOTRUE_MAILER_URLPATHS_CONFIRMATION: /auth/v1/verify
-      GOTRUE_MAILER_URLPATHS_RECOVERY: /auth/v1/verify
-      GOTRUE_MAILER_URLPATHS_EMAIL_CHANGE: /auth/v1/verify
+      GOTRUE_MAILER_URLPATHS_INVITE: ${MAILER_URLPATHS_INVITE}
+      GOTRUE_MAILER_URLPATHS_CONFIRMATION: ${MAILER_URLPATHS_CONFIRMATION}
+      GOTRUE_MAILER_URLPATHS_RECOVERY: ${MAILER_URLPATHS_RECOVERY}
+      GOTRUE_MAILER_URLPATHS_EMAIL_CHANGE: ${MAILER_URLPATHS_EMAIL_CHANGE}
 
       GOTRUE_EXTERNAL_PHONE_ENABLED: ${ENABLE_PHONE_SIGNUP}
       GOTRUE_SMS_AUTOCONFIRM: ${ENABLE_PHONE_AUTOCONFIRM}