Update examples

Author: JonasAlfredsson

README.md

@@ -117,6 +117,10 @@ are found inside the [`nginx-certbot.env`](./examples/nginx-certbot.env) file
 will be overwritten by any environment variables you set inside the `.yaml`
 file.
 
+> NOTE: You can use both `environment:` and `env_file:` togheter or only one
+        of them, the only requirement is that `CERTBOT_EMAIL` is defined
+        somewhere.
+
 Like in the example above, you just need to place your custom server configs
 inside your [`user_conf.d/`](./docs/good_to_know.md#the-user_confd-folder)
 folder beforehand. Then you start it all with the following command.

examples/docker-compose.yml

@@ -6,13 +6,6 @@ services:
     restart: unless-stopped
     environment:
       - CERTBOT_EMAIL
-      - STAGING
-      - DHPARAM_SIZE
-      - RSA_KEY_SIZE
-      - ELLIPTIC_CURVE
-      - USE_ECDSA
-      - RENEWAL_INTERVAL
-      - DEBUG
     env_file:
       - ./nginx-certbot.env
     ports:

examples/nginx-certbot.env

@@ -8,4 +8,7 @@ RSA_KEY_SIZE=2048
 ELLIPTIC_CURVE=secp256r1
 USE_ECDSA=0
 RENEWAL_INTERVAL=8d
+
+# Advanced (Defaults)
 DEBUG=0
+USE_LOCAL_CA=0