update credentials ansible overrides for docker

ECOM-3180

docker/build/credentials/ansible_overrides.yml

 ---
-credentials_gunicorn_host: 127.0.0.1
+credentials_gunicorn_host: 0.0.0.0
 CREDENTIALS_MYSQL: 'db'
 CREDENTIALS_DJANGO_SETTINGS_MODULE: 'credentials.settings.devstack'
 CREDENTIALS_MYSQL_MATCHER: '%'
-
+CREDENTIALS_MYSQL_HOST: 'db'
+CREDENTIALS_MYSQL_PASSWORD: 'password'
+COMMON_MYSQL_MIGRATE_USER: '{{ CREDENTIALS_MYSQL_USER }}'
+COMMON_MYSQL_MIGRATE_PASS: '{{ CREDENTIALS_MYSQL_PASSWORD }}'

playbooks/roles/credentials/templates/edx/app/credentials/devstack.sh.j2

@@ -12,7 +12,7 @@ case $COMMAND in
 
         cd /edx/app/edx_ansible/edx_ansible/docker/plays
         sudo /edx/app/edx_ansible/venvs/edx_ansible/bin/ansible-playbook credentials.yml -c local -i '127.0.0.1,' \
-            -t 'install:app-requirements,assets:gather,devstack,migrate' \
+            -t 'install:app-requirements,assets:gather,devstack,migrate,manage:start' \
             --extra-vars="migrate_db=yes" \
             --extra-vars="@/ansible_overrides.yml"