entrypoint.sh

#!/bin/bash

if [[ "${DB_SERVER:-}" ]]; then
  # Wait for the db to come up
  /wait-for-it.sh $DB_SERVER -t 300
  # Sometimes it appears to come up and then go back down meaning MW install fails
  # So wait for a second and double check!
  sleep 1
  /wait-for-it.sh $DB_SERVER -t 300
fi

if [[ "${MW_ELASTIC_HOST:-}" ]]; then
  /wait-for-it.sh $MW_ELASTIC_HOST:$MW_ELASTIC_PORT -t 300
fi

export DOLLAR='$'
envsubst < /LocalSettings.php.template > /var/www/html/w/LocalSettings.php

db_exists() {
  if output=$(php /var/www/html/w/maintenance/run sql --query "SHOW TABLES FROM \`$DB_NAME\`" --json 2>/dev/null); then
    if [ "$(echo "$output" | jq '. | length')" -gt 0 ]; then
      return 0  # DB exists
    else
      return 1  # DB is empty
    fi
  else
    return 1  # DB does not exist
  fi
}

if ! db_exists && [ "${INITIALIZE_DB:-false}" = "true" ]; then
  # Test if required environment variables have been set
  REQUIRED_VARIABLES=(MW_ADMIN_NAME MW_ADMIN_PASS MW_ADMIN_EMAIL MW_WG_SECRET_KEY DB_SERVER DB_USER DB_PASS DB_NAME)
  for i in ${REQUIRED_VARIABLES[@]}; do
      eval THISSHOULDBESET=\$$i
      if [ -z "$THISSHOULDBESET" ]; then
      echo "$i is required but isn't set. You should pass it to docker. See: https://docs.docker.com/engine/reference/commandline/run/#set-environment-variables--e---env---env-file";
      exit 1;
      fi
  done
    
  set -eu
  # Remove LocalSettings.php to allow clean installation
  rm /var/www/html/w/LocalSettings.php
  # Run installation
  php /var/www/html/w/maintenance/install.php --dbuser "$DB_USER" --dbpass "$DB_PASS" --dbname "$DB_NAME" --dbserver "$DB_SERVER" --lang "$MW_SITE_LANG" --pass "$MW_ADMIN_PASS" "$MW_SITE_NAME" "$MW_ADMIN_NAME"

  # Copy our LocalSettings into place after install from the template
  # https://stackoverflow.com/a/24964089/4746236
  export DOLLAR='$'
  envsubst < /LocalSettings.php.template > /var/www/html/w/LocalSettings.php

  # Run update.php to install Wikibase
  php /var/www/html/w/maintenance/update.php --quick

  php /var/www/html/w/maintenance/resetUserEmail.php --no-reset-password "$MW_ADMIN_NAME" "$MW_ADMIN_EMAIL"

  # Run extrascripts on first run
  if [ -f /extra-install.sh ]; then
      source /extra-install.sh
  fi

fi

# Starting the cron-service for regular_maintenance
/etc/init.d/cron start

envsubst < /templates/performance.conf.template \
  > /usr/local/etc/php-fpm.d/zz-performance.conf

envsubst < /templates/opcache.conf.template \
  > /usr/local/etc/php/conf.d/zz-opcache.ini
  
# Run the actual entry point
exec php-fpm