Updated all docker-compose files version from 2.1 to 3

Author: CESARDELATORRE

docker-compose-external.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 services:
   sql.data:

docker-compose-windows.prod.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 # The Production docker-compose file has to have the external/real IPs or DNS names for the services 
 # The ESHOP_PROD_EXTERNAL_DNS_NAME_OR_IP environment variable is taken, by default, from the ".env" file defined like: 

docker-compose-windows.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 services:
   basket.api:

docker-compose.ci.build.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 services:
   ci-build:

docker-compose.nobuild.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 services:
   basket.api:

docker-compose.override.windows.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 # ONLY NEEDED WHEN RUNNING WINDOWS CONTAINERS
 #

docker-compose.override.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 # The default docker-compose.override file can use the "localhost" as the external name for testing web apps within the same dev machine. 
 # The ESHOP_EXTERNAL_DNS_NAME_OR_IP environment variable is taken, by default, from the ".env" file defined like: 

docker-compose.prod.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 # The Production docker-compose file has to have the external/real IPs or DNS names for the services 
 # The ESHOP_PROD_EXTERNAL_DNS_NAME_OR_IP environment variable is taken, by default, from the ".env" file defined like: 

docker-compose.yml

@@ -1,4 +1,4 @@
-version: '2.1'
+version: '3'
 
 services: