Update README.md

README.md

@@ -14,7 +14,13 @@
    htpasswd -nb MyAwesomeUser MyAwesomePassword > conf/users/traefik.htpasswd
    ```
 
-2. Create the network used by Træfik to talk to the internal services:
+
+2. Copy `env.example` to `.env`
+
+3. Edit `.env` to adapt the Fully Qualified Domain Name (FQDN) as well as CERT_EMAIL
+   which are used for the Træfik dashboard and let's encrypt validation e-mail.
+
+4. Create the network used by Træfik to talk to the internal services:
 
    ```sh
    docker network create --attachable --internal proxy       # Default shared proxy network
@@ -22,7 +28,7 @@
    docker network create --attachable --internal proxy_infra # For Network infrastructure
    ```
 
-3. Start Træfik:
+5. Start Træfik:
 
    ```sh
    docker-compose up -d