Use -e flag instead of -p flag in advanced example

ADVANCED.md

@@ -175,17 +175,16 @@ docker run \
          -e AWS_KEY=myawskey \
          -e AWS_SECRET=myawssecret \
          -e SEARCH_BACKEND=sqlalchemy \
+         -e AWS_HOST=myowns3.com \
+         -e AWS_SECURE=false \
+         -e AWS_ENCRYPT=false \
+         -e AWS_PORT=80 \
+         -e AWS_DEBUG=true \
+         -e AWS_CALLING_FORMAT=OrdinaryCallingFormat \
          -p 5000:5000 \
-         -p AWS_HOST=myowns3.com \
-         -p AWS_SECURE=false \
-         -p AWS_ENCRYPT=false \
-         -p AWS_PORT=80 \
-         -p AWS_DEBUG=true \
-         -p AWS_CALLING_FORMAT=OrdinaryCallingFormat \
          registry
 ```
 
-
 ## Microsoft Azure Blob Storage
 
 In order to use Microsoft Azure Blob Storage Service, you need to create a
@@ -255,4 +254,3 @@ test:
     email_exceptions:
         smtp_host: localhost
 ```
-