Adjust mariadb docker settings and connection strings

Reflect the use of external containers in connection strings, and pass params into our calls to docker run

.env.gitpod

@@ -4,15 +4,15 @@ PORT=9000
 PYTHONDONTWRITEBYTECODE=1
 
 SECRET_KEY='some-key'
-DATABASE_URL=mysql://root:deploy@localhost:3306/greencheck
-DATABASE_URL_READ_ONLY=mysql://root:deploy@localhost:3306/greencheck
+DATABASE_URL=mysql://root@127.0.0.1:3306/greencheck
+DATABASE_URL_READ_ONLY=mysql://root:deploy@127.0.0.1:3306/greencheck
 EXPLORER_TOKEN="some-token"
 MAILGUN_API_KEY="50 characters long-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
 
 # used to stop defaulting to debug
 DJANGO_SETTINGS_MODULE='greenweb.settings.development'
 
-RABBITMQ_URL=amqp://guest:guest@localhost:5672/
+RABBITMQ_URL=amqp://guest:guest@127.0.0.1:5672/
 
 
 DOMAIN_SNAPSHOT_BUCKET = "tgwf-green-domains-dev"

.gitpod.yml

@@ -34,14 +34,12 @@ tasks:
     command: >
       docker run 
       --rm
-      --hostname green-mariadb
+      --hostname 
+      --env green-mariadb
+      --env MARIADB_ALLOW_EMPTY_ROOT_PASSWORD=True
+      --env MARIADB_DATABASE=greencheck
       -p 3306:3306
       mariadb:10.11
-    env:
-      MARIADB_USER: deploy
-      MARIADB_PASSWORD: deploy
-      MARIADB_ROOT_PASSWORD: deploy
-      MARIADB_DATABASE: greencheck
 
   - name: mailhog
     command: >