A supplement to https://gist.github.com/Luke-Rogerson/c6b12de65cec7af346d1c68444671cd6

tasks.json

{
  "version": "2.0.0",
  "tasks": [
    {
      "label": "add_requirements",
      "type": "shell",
      "command": "poetry export -f requirements.txt --without-hashes > requirements.txt"
    },
  ]
}