lunohodobot telegram bot

A Telegram bot for my friends community

Current primary functionality is providing random photo on demand and once a day.

Bot commands:

• /help - show help
• /photo - random photo of community
• /beer - implement me

How to build locally:

  go mod download
  go build

How to run locally from source code:

  export TELEGRAM_TOKEN="<bot token>"
  export TELEGRAM_CHATID="<chat id>"
  export CRON_SPEC="0 9 * * *"
  export CRON_JITTER_SEC=1800
  go run ./main.go

How to build docker container:

  docker build -t lunohodobot .

How to run in docker container:

docker run -d \
  --name=lunohodobot \
  -e CRON_SPEC="0 9 * * *" \
  -e CRON_JITTER_SEC=1800 \
  -e TELEGRAM_TOKEN="<bot token>" \
  -e TELEGRAM_CHATID="<chat id>" \
  -e TZ=Europe/London \
  -v <folder with photos>:/data \
  -w /data \
  --restart unless-stopped \
  lunohodobot

Where:

• <bot token> - bot token from @BotFather. See instructions;
• <chat id> - chat id of community. Other chats will be restricted. Use curl -X GET https://api.telegram.org/bot<YOUR_API_TOKEN>/getUpdates after sending a message get chat id;
• <folder with photos> - a tree of folders with photos. Bot will use it to get random photo;
• CRON_SPEC - set a time for photo of the day in cron format;
• CRON_JITTER_SEC - set a jitter for photo of the day in seconds. Bot will send a photo at random time between CRON_SPEC and CRON_SPEC + CRON_JITTER_SEC. Can be zero.