How to use this... You can substitute docker for podman in these instructions. Build podman build -t nut:latest . Run podman run --name nut-redis -p 6379:6379 -d redis podman run --name nut -p 5000:5000 -d nut Use curl 127.1:5000/documents/0 : "Not Found" curl -d '"z e r o"' -H 'Content-Type: application/json' 127.1:5000/documents/0 : 200 curl 127.1:5000/documents/0 : '[{"id": "0", "score": 0}]' curl -d '"o r e z"' -H 'Content-Type: application/json' 127.1:5000/documents/0 : "Document already exists" curl -d '"o n e"' -H 'Content-Type: application/json' 127.1:5000/documents/1 : 200 curl 127.1:5000/documents/1 : '[{"id": "0", "score": 0}, {"id": "1", "score": 0}]'