OOM ( Out Of Memory) error in docker getmeili/meilisearch:latest

Question

Why does Meilisearch service down after few seconds ? Giving error 137 (out of memory - docker doc.)

Inside meili data.ms have 44.000 item and one index.

This is content for meilisearch service :

      meilisearch:
          container_name: meilisearch
          image: 'getmeili/meilisearch:latest'
          ports:
          - '7700:7700'
          volumes:
          - './Docker/meilisearch/volume/:/meili_data'
          networks:
            customnetwork:
              ipv4_address: 172.20.0.13
          healthcheck:
              test: ["CMD", "wget", "--no-verbose", "--spider",  "5"]
              retries: 3
              timeout: 5s
          deploy:
            resources:
              limits:
                memory: 6g
              reservations:
                memory: 5g