docker-entrypoint.sh

#!/bin/bash
set -e

echoerr() { echo "$@" 1>&2; }

check_vars_exist() {
  var_names=("$@")

  for var_name in "${var_names[@]}"; do
    if [ -z "${!var_name}" ]; then
      echoerr "error: missing ${var_name} environment variable"
      exit 1
    fi
  done
}

# Split out host and port from DB_HOST env variable
IFS=":" read -r DB_HOST_NAME DB_PORT <<< "$DB_HOST"
DB_PORT=${DB_PORT:-3306}

# Ensure there is no local .env file
if [ -f ".env" ]; then
  mv .env .env.bak
  echoerr ".env file detected - moved to .env.bak"
  echoerr "Please update your configuration to use environment variables in the container!"
fi

# Check a number of essential variables are set
check_vars_exist \
  APP_KEY \
  APP_URL \
  DB_DATABASE \
  DB_HOST \
  DB_PASSWORD \
  DB_PORT \
  DB_USERNAME

if [ -n "${FILE_UPLOAD_SIZE_LIMITS}" ]; then
  echo "Note: If you're setting FILE_UPLOAD_SIZE_LIMITS to more than 10M, you"
  echo "may also need to modify the php.ini file."
  echo "See:"
  echo "https://github.com/solidnerd/docker-bookstack/issues/423"
fi

echoerr "wait-for-db: waiting for ${DB_HOST_NAME}:${DB_PORT}"

timeout 15 bash <<EOT
while ! (echo > /dev/tcp/${DB_HOST_NAME}/${DB_PORT}) >/dev/null 2>&1;
    do sleep 1;
done;
EOT
RESULT=$?

if [ $RESULT -eq 0 ]; then
  # sleep another second for so that we don't get a "the database system is starting up" error
  sleep 1
  echoerr "wait-for-db: done"
else
  echoerr "wait-for-db: timeout out after 15 seconds waiting for ${DB_HOST_NAME}:${DB_PORT}"
fi

echo "Starting Migration..."
php artisan migrate --force

echo "Clearing caches..."
php artisan cache:clear
php artisan view:clear

trap "echo Catching SIGWINCH apache error and perventing it." SIGWINCH
exec apache2-foreground