git clone https://github.com/dkorunic/slackbridge
config.json and edit to your liking. Documentation for slack-irc in general is available here and documentation for ircOptions which pass configuration to the node-irc is here.
Make sure to enable SASL authentication on the networks which permit it.
Documentation for enabling Bot users in Slack API is here. You can follow new bot link to create a Slack bot in your favourite channel directly. Make sure to copy token and nickname back to
Building and running
Classic Docker build would be a complete manual build and run with:
cd slackbridge docker build -t slackbridge . docker run -d -t slackbridge
Perferable way would be to use Docker Compose:
cd slackbridge docker-compose up -d