Create a docker-compose file extending all directories not beginning with _

create-compose.sh

#!/bin/sh

# Create a docker-compose file extending all directories not beginning with _
FILE=docker-compose.yml

echo 'version: "3"' > ${FILE}
echo 'services:' >> ${FILE}

for ITEM in *; do
  if [ -d "${ITEM}" ]; then
    if [[ ${ITEM} == _* ]]; then
      echo "Skipping ${ITEM}"
      continue
    fi
    echo "Adding ${ITEM}"
    cat <<EOF >> ${FILE}
  ${ITEM}:
    extends:
      file: ${ITEM}/docker-compose.yml
      service: ${ITEM}

EOF
  fi
done