wait_for_it.md

wait for it

wait-for-it.sh

#!/bin/sh

set -e

host="$1"
shift
cmd="$@"

until mysql --user=events --password=inicial1234 -c '\q'; do
  >&2 echo "Mysql is unavailable - sleeping"
  sleep 1
done

>&2 echo "Mysql is up - executing command"
exec $cmd

docker-compose.yml

app:
    build: .
    command: ["./wait-for-it.sh", "db:3306"]
    environment: