Ansible + docker_compose module: need DATABASES='{...}', but getting DATABASES='"{ ...}"'

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Hello,

I’m fighting since hours with this problem. I have to add a JSON string into a container environment:

It works … if I have something like this:

…
backoffice-sandbox.example.local:
image: “{{BACKOFFICE_IMAGE}}”
restart: always
container_name: backoffice-gunicorn-sandbox
environment:
DATABASES: |-
{ “default”: {}, … }

…

but it fails, if I put the string into a variable (like into for ansbile-vault) and using like this

…
backoffice-sandbox.example.local:
image: “{{BACKOFFICE_IMAGE}}”
restart: always
container_name: backoffice-gunicorn-sandbox
environment:
DATABASES: “{{ PROD_DATABASE }}”

…

than I get DATABASES=‘“{ …}”’ which breaks then my setup … as it can’t parsed anymore by the application, because of the extra " ".

How can I avoid it, without the need of extra steps like files …

cu denny