diff --git a/.env.example b/.env.example
index 17659420..da315b3b 100644
--- a/.env.example
+++ b/.env.example
@@ -44,6 +44,10 @@ NEXT_API_BODY_SIZE_LIMIT= # e.g. 50mb (defaults to 1mb)
 TRELLO_APP_API_KEY=
 TRELLO_APP_SECRET=
 
+# Redis (optional - for rate limiting)
+# If not provided, rate limiting will use in-memory storage
+REDIS_URL= # e.g. redis://default:your_password@your_host:6379
+
 # OAuth providers (optional)
 BETTER_AUTH_TRUSTED_ORIGINS=
 # Optional: Restrict OIDC/Social sign-ins to specific email domains (comma-separated)
diff --git a/README.md b/README.md
index 139f21c9..ba935725 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,7 @@ pnpm dev
 | Variable                                  | Description                                               | Required                              | Example                                                     |
 | ----------------------------------------- | --------------------------------------------------------- | ------------------------------------- | ----------------------------------------------------------- |
 | `POSTGRES_URL`                            | PostgreSQL connection URL                                 | To use external database              | `postgres://user:pass@localhost:5432/db`                    |
+| `REDIS_URL`                               | Redis connection URL                                      | For rate limiting (optional)          | `redis://localhost:6379` or `redis://redis:6379` (Docker)   |
 | `EMAIL_FROM`                              | Sender email address                                      | For Email                             | `"Kan <hello@mail.kan.bn>"`                                 |
 | `SMTP_HOST`                               | SMTP server hostname                                      | For Email                             | `smtp.resend.com`                                           |
 | `SMTP_PORT`                               | SMTP server port                                          | For Email                             | `465`                                                       |
diff --git a/cloud/docker-compose.yml b/cloud/docker-compose.yml
index 02705d35..e0133d4b 100644
--- a/cloud/docker-compose.yml
+++ b/cloud/docker-compose.yml
@@ -21,6 +21,7 @@ services:
       - BETTER_AUTH_SECRET=${BETTER_AUTH_SECRET}
       - POSTGRES_URL=${POSTGRES_URL}
       - NEXT_PUBLIC_USE_STANDALONE_OUTPUT=${NEXT_PUBLIC_USE_STANDALONE_OUTPUT}
+      - REDIS_URL=${REDIS_URL}
 
       # Stripe
       - STRIPE_SECRET_KEY=${STRIPE_SECRET_KEY}
diff --git a/docker-compose.yml b/docker-compose.yml
index ec96cf0b..1edc5e8c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,6 +18,9 @@ services:
       - BETTER_AUTH_SECRET=${BETTER_AUTH_SECRET}
       - POSTGRES_URL=${POSTGRES_URL}
 
+      # Redis (optional - for rate limiting)
+      - REDIS_URL=${REDIS_URL}
+
       # Admin API key (optional)
       - KAN_ADMIN_API_KEY=${KAN_ADMIN_API_KEY}
 
diff --git a/turbo.json b/turbo.json
index d495494a..009a9ed2 100644
--- a/turbo.json
+++ b/turbo.json
@@ -126,7 +126,8 @@
     "BETTER_AUTH_SECRET",
     "BETTER_AUTH_TRUSTED_ORIGINS",
     "NOVU_API_KEY",
-    "EMAIL_UNSUBSCRIBE_SECRET"
+    "EMAIL_UNSUBSCRIBE_SECRET",
+    "REDIS_URL"
   ],
   "globalPassThroughEnv": [
     "NODE_ENV",