Update README.md

fix docker run command to have JWT_SECRET set so endpoints don't error

Signed-off-by: Usi Diamond <[email protected]>

Author: UsiDiamond

README.md

@@ -13,7 +13,7 @@ docker build -t rust-axum-jwt-postgresql-demo .
 ### Run a Docker container
 
 ```bash
-docker run -p 3000:3000 rust-axum-jwt-postgresql-demo
+docker run -p 3000:3000 rust-axum-jwt-postgresql-demo -e JWT_SECRET=bar
 ```
 
 ### Trying it out