This is a service for send text messages by HTTP queries (to messengers email, telegram and etc.) from another executed program (for example - site backend engines, other services).
export FROM_MAIL="<your-gmail-account-email>@gmail.com"
export MAIL_PASS="<your-gmail-account-password>"
export SMTP_HOST="smtp.gmail.com"
export SMTP_PORT="587"
export SEND_BOT_TOKEN="<your-telegram-bot-token>"
Install docker to your host os.
docker build -t sender --build-arg SEND_BOT_TOKEN --build-arg SMTP_HOST --build-arg SMTP_PORT --build-arg FROM_MAIL --build-arg MAIL_PASS --build-arg GROUP_CHAT_ID .
docker run -p 9999:9999 -d -t sender
TODO...