Transfer emojies from Slack to Mattermost

The Docker image will download all emoji's from Slack and upload them to Mattermost.

• Copy the defaults.env file to .env in your local directory and edit it to include your Slack and Mattermost credentials

  cp defaults.env .env
  vi .env
  docker run -it --rm --name mm-emoji --env-file=.env ghcr.io/maxwellpower/mm-emoji

• https://api.slack.com/apps

• Use Manifest

  display_information:
    name: mmemoji
  oauth_config:
    scopes:
      user:
        - emoji:read
  settings:
    org_deploy_enabled: false
    socket_mode_enabled: false
    token_rotation_enabled: false

• Navigate to "OAuth and Permissions"

• Install App to Workspace

• Copy "OAuth Tokens for Your Workspace", "User OAuth Token"

• https://tomash.wrug.eu/blog/2022/11/06/migrating-slack-to-mattermost/
• https://github.com/maxbrunet/mmemoji