diff --git a/_docs/commands.md b/_docs/commands.md
index 90b8093..1799dd7 100644
--- a/_docs/commands.md
+++ b/_docs/commands.md
@@ -5,6 +5,19 @@ order: 3
 
 # Commands
 
+## Pushing environment files to the servers
+
+Before you can deploy, you'll need to push env files to the servers. They will then be
+included in the docker run commands.
+
+You can do this by running:
+
+```bash
+$ kamal env push
+```
+
+If you create the files with `kamal envify`, they will automatically be pushed for you.
+
 ## Running commands on servers
 
 #### Run command on all servers
diff --git a/_docs/configuration.md b/_docs/configuration.md
index a72fcf5..9bc39ef 100644
--- a/_docs/configuration.md
+++ b/_docs/configuration.md
@@ -169,6 +169,8 @@ env:
   REDIS_URL: redis://redis1:6379/1
 ```
 
+**Note:** Before you can start the containers you need to push the env variables up to the servers.
+
 ## Using secret env variables
 
 If you have env variables that are secret, you can divide the `env` block into `clear` and `secret`: