Update sample docker-compose.yml

- Update README

README.md

@@ -60,17 +60,21 @@ To install docker and docker compose, follow the instructions for your platform:
     ```bash
     docker network create webproxy
     ```
+1.  Change file mode of `config/acme`:
+    ```bash
+    chmod go+w config/acme
+    ```
 1.  Make a copy of all `sample.` files:  
     ```bash
     for file in sample.*; do cp "$file" "${file#sample.}"; done;
     ```
-3.  Update environment variables `TF_ACME_EMAIL` and `TF_CERTRESOLVER_NAME1` in
+1.  Update environment variables `TF_ACME_EMAIL` and `TF_CERTRESOLVER_NAME1` in
     '.env':
     *  Replace `postmaster@mydomain.com` with a valid email address of yours.
     *  Replace `mydomain-com` with a suitable name to identify this certificate
        resolvers configuration.  
        → Dots (`.`) in the name are not allowed!
-5.  Start the container in detached mode:  
+1.  Start the container in detached mode:  
     ```bash
     docker compose up -d
     ```

sample.docker-compose.yml

@@ -11,7 +11,7 @@ services:
     networks:
       - webproxy
     volumes:
-      - traefik-data:/etc/traefik/acme
+      - ${TF_HOME:-.}/config/acme:/etc/traefik/acme
       - ${TF_HOME:-.}/config/files:/etc/traefik/files:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
     environment:
@@ -57,6 +57,3 @@ services:
 networks:
   webproxy:
     external: true
-
-volumes:
-  traefik-data: