Slack Bot App

■ Docker container environment

• ~/docker/golang
  • Dockerfile_dep => production(dep)
  • Dockerfile_dev => development(dev)

Change the value of the environment variable DOCKER_APP_ENV in the ~/.env file.

■ App development environment

build:
  context: .
  dockerfile: Dockerfile_dev

App(Golang) development is directly under ~/app.
Go into the container and execute the go run command.

$ docker exec -it slackbot-app /bin/ash

/app # go run main.go

■ Read Token

• Bot User OAuth Access Token

  # cat $BOT_USER_OAUTH_ACCESS_TOKEN_PATH

• Verification Token

  # cat $VERIFICATION_TOKEN_PATH

• Workspace Token

  # cat $WORKSPACE_TOKEN_PATH

■ ngrok

1. Connect your account

   $ cd ngrok
   $ ./ngrok authtoken <Token>

2. Start Docker container for production

   Make Docker a production environment

   DOCKER_APP_ENV=dep

   $ docker-compose up --build

3. Fire it up

   $ ./ngrok http -host-header="0.0.0.0:3000" 3000