version: 2.1

commands:
  restore_cache_cmd:
    description: "Restore cache from a previous workflow"
    steps:
      - restore_cache:
          keys:
            - deps1-{{ .Branch }}-{{ checksum "requirements/dev.txt" }}
            - deps1-{{ .Branch }}-

  save_cache_cmd:
    description: "save cache with workflow new state"
    steps:
      - save_cache:
          key: deps1-{{ .Branch }}-{{ checksum "requirements/dev.txt" }}
          paths:
            - "venv"

executors:
  my-executor:
    docker:
      - image: circleci/python:3.7.9-stretch
        auth:
          username: morganlmd
          password: $DOCKERHUB_PASSWORD

jobs:
  build:
    executor: my-executor
    steps:
      - checkout
      - restore_cache_cmd
      - run:
          name: setup environment and install python dependencies in a venv
          environment:
            CONDUIT_SECRET: "something-really-secret"
            FLASK_APP: /home/circleci/repo/autoapp.py
            FLASK_DEBUG: 1
            command: |
              python3 -m venv venv
              . venv/bin/activate
              pip install -r requirements/dev.txt
      - save_cache_cmd