Change Portainer port on the host (ddev#99)

docker-compose-services/portainer/README.md

@@ -23,26 +23,39 @@ Portainer is a visual mode for management of containers and networks. Is open-so
 
 ## Connection
 
-Ok, by default you can access to the Portainer interface at the next address from your browser:
+Ok, by default you can access to the Portainer interface at the next addresses from your browser:
 
 ```
-https://projectname.ddev.site:9000
-https://127.0.0.1:9000
+# using http
+http://projectname.ddev.site:9001
+http://127.0.0.1:9001
+
+# or using https
+https://projectname.ddev.site:8001
+https://127.0.0.1:8001
+```
+**Why?** Well, we're setting the mapped ports from Host to Guest just likes this:   
+
+``` 
+environment:
+  HTTP_EXPOSE: "9001:9000"
+  HTTPS_EXPOSE: "8001:9000"
 ```
 
-Cause is the annotated port registered in the config.yaml file. If you want to avoid conflicts, just stop your DDEV-Local network, change the value and relaunch the containers.
+If you want to avoid conflicts in the host side, just stop your DDEV-Local network, changing the value in the former section and relaunch the containers.  
 
-Just do:
+Just do:  
 
 ```
-ddev stop
-vim docker-compose.portainer.yaml
-ports:
-  - '3434:9000'
-:wq!
-ddev start
+$ ddev stop
+$ vim docker-compose.portainer.yaml
+    environment:
+      HTTP_EXPOSE: "3401:9000"
+      HTTPS_EXPOSE: "3501:9000"
+  :wq!
+$ ddev start
 ```
 
-But remember that Portainer always exposes from port 9000, so use this address as destiny in your mapping.
+And remember that Portainer always exposes internally to the ddev network from its port 9000 in the container, so use this address as destiny in your mapping.  
 
 **Contributed by [davidjguru](https://gitlab.com/davidjguru)**, [Drupal Developer](https://www.drupal.org/u/davidjguru) and blogger in [The Russian Lullaby](https://www.therussianlullaby.com/).

docker-compose-services/portainer/docker-compose.portainer.yaml

@@ -1,28 +1,30 @@
 ---
 version: '3.6'
 services:
-    portainer:
-        image: portainer/portainer:latest
-        restart:  always
-        container_name: ddev-${DDEV_SITENAME}-portainer
-        labels:
-          com.ddev.site-name: ${DDEV_SITENAME}
-          com.ddev.approot: $DDEV_APPROOT
-        volumes:
-          - /var/run/docker.sock:/var/run/docker.sock
-          - portainer_data:/data
-        external_links:
-            - "ddev-router:${DDEV_HOSTNAME}"
-        cap_add:
-            - SYS_ADMIN
-        ports:
-          - '9000:9000'
-          - '8000:8000'
+  portainer:
+    image: portainer/portainer:latest
+    expose:
+      - "9000"
+    environment:
+      - VIRTUAL_HOST=$DDEV_HOSTNAME
+      - HTTP_EXPOSE=9001:9000
+      - HTTPS_EXPOSE=8001:9000
+    restart: "no"
+    container_name: ddev-${DDEV_SITENAME}-portainer
+    labels:
+      com.ddev.site-name: ${DDEV_SITENAME}
+      com.ddev.approot: $DDEV_APPROOT
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - portainer_data:/data
+    external_links:
+      - "ddev-router:${DDEV_HOSTNAME}"
+    cap_add:
+      - SYS_ADMIN
 volumes:
   portainer_data:
 
 networks:
   default:
     external:
       name: ddev_default
-