Custom docker service start stop script

alpine.docker.service.sh

BASE=docker

DOCKERD=/usr/bin/dockerd
# This is the pid file managed by docker itself
DOCKER_PIDFILE=/var/run/$BASE.pid
# This is the pid file created/managed by start-stop-daemon
DOCKER_SSD_PIDFILE=/var/run/$BASE-ssd.pid
DOCKER_LOGFILE=/var/log/$BASE.log
DOCKER_OPTS=
DOCKER_DESC="Docker"

if [ "$1" = "stop" ]; then
  echo "stopping docker..."
  sudo start-stop-daemon --stop --pidfile "$DOCKER_SSD_PIDFILE"
elif ! pgrep "dockerd" >/dev/null; then
  echo "starting docker..."
  sudo start-stop-daemon --start --background \
    --exec "$DOCKERD" \
    --pidfile "$DOCKER_SSD_PIDFILE" \
    --make-pidfile \
    -- \
    -p "$DOCKER_PIDFILE" \
    $DOCKER_OPTS
  #>> "$DOCKER_LOGFILE" 2>&1
fi