Most teams in recreational leagues, or even travel leagues at young ages, will not have a designated goalkeeper. Chances are that each player on your team will play at least one half during a season as a goalie, and those who really loved playing the position will want to do it for a second time if there are more halves in the season than players on your team. Therefore it is unlikely that you will spend any considerable amount of time at your practice sessions on goalkeeping drills.
Below, we offer some tips that are easy for you to communicate, and easy for the players in goal to understand, and that do not need much practice to make your goalkeepers effective. What I have done in the past is that I decided before my weekly practice who my two goalies will be at the next game and then I let them split time in goal during shooting drills at the end of that practice and again during the warmups before the game. Both, at practice, and during the warmups, I reminded them of these three things.