MusicalChair Slack bot 🎵🪑

Selects a random user in a channel and asks them for their song of the day

Scope	Purpose
`chat:write`	To post the message
`channels:read`	To get a list of all members

Name	Necessity	Description
`SLACK_BOT_TOKEN`	Required	Token provided on bot creation, begins with `xoxb-`
`SLACK_CHANNEL_ID`	Required	Channel ID that the bot asks the question in and gets list of users from.
`SLACK_SIGNING_SECRET`	Required	Slack bot signing secret used to authenticate requests from Slack.

A slack workspace to which you can add a bot and edit its permissions, create one if needed, adding the OAuth scopes listed above.
Docker - the app is containerised and the development environment uses docker compose
ngrok, used to forward an https URL to your local machine, needed to test slack events and actions *. Use ngrok to forward traffic to your local machine, copy the URL. ngrok http 8000
Set up your slack app by going to the app home under Slack Apps
- Under Features > Interactivity & Shortcuts, enable and configure the URL to {ngrok_url}/slack/actions
- Under Features > Event Subscriptions, enable and configure the URL to {ngrok_url}/slack/events
  - Subscribe to the following events: app_home_opened, app_mention and message.channels
Additional to the required standard environment variables, add these to your .env file:

Name	Description
`DEPLOYMENT_ENV`	Set to `Local` to enable local development mocking
`LOCAL_URL`	Set to the https URL obtained from `ngrok`

Start the docker compose application (in older docker versions, docker-compose needed to be downloaded separately)

docker compose up -d --build && docker compose logs -f

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