entrypoint.sh

#!/bin/bash

set -ex

file_env() {
    local var="$1"
    local fileVar="${var}_FILE"
    local def="${2:-}"
    local varValue=$(env | grep -E "^${var}=" | sed -E -e "s/^${var}=//")
    local fileVarValue=$(env | grep -E "^${fileVar}=" | sed -E -e "s/^${fileVar}=//")
    if [ -n "${varValue}" ] && [ -n "${fileVarValue}" ]; then
        echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
        exit 1
    fi
    if [ -n "${varValue}" ]; then
        export "$var"="${varValue}"
    elif [ -n "${fileVarValue}" ]; then
        export "$var"="$(cat "${fileVarValue}")"
    elif [ -n "${def}" ]; then
        export "$var"="$def"
    fi
    unset "$fileVar"
}

# First-time volume initialization
if ! test -d /var/www/html/config; then
  echo "First-time initialization"

  # Set timezone
  if test -f /usr/share/zoneinfo/${TZ}; then
	  ln -sf /usr/share/zoneinfo/${TZ} /etc/localtime
  fi

  # Fixes
  ## File create-user.sql
  sed -i /usr/src/lb/database_schema/create-user.sql -e "s:^DROP USER ':DROP USER IF EXISTS ':g"
  sed -i /usr/src/lb/database_schema/create-user.sql -e "s:booked_user:schedule_user:g"
  sed -i /usr/src/lb/database_schema/create-user.sql -e "s:localhost:%:g"
  ## Missing directory tpl_c
  if ! test -d /usr/src/lb/tpl_c; then
    mkdir /usr/src/lb/tpl_c
  fi

  # Copy librebooking application
  cp -r /usr/src/lb/* /var/www/html/
  cp /var/www/html/config/config.dist.php /var/www/html/config/config.php
  chown -R www-data:www-data /var/www/html

  # Set initial configuration
  file_env LB_INSTALL_PWD
  file_env LB_DB_USER_PWD
  sed -i /var/www/html/config/config.php -e "s:\(\['registration.captcha.enabled'\]\) = 'true':\1 = 'false':"
  sed -i /var/www/html/config/config.php -e "s:\(\['database'\]\['user'\]\) = '.*':\1 = '${LB_DB_USER}':"
  sed -i /var/www/html/config/config.php -e "s:\(\['database'\]\['password'\]\) = '.*':\1 = '${LB_DB_USER_PWD}':"
  sed -i /var/www/html/config/config.php -e "s:\(\['database'\]\['hostspec'\]\) = '127.0.0.1':\1 = '${LB_DB_HOST}':"
  sed -i /var/www/html/config/config.php -e "s:\(\['database'\]\['name'\]\) = '.*':\1 = '${LB_DB_NAME}':"
  sed -i /var/www/html/config/config.php -e "s:\(\['install.password'\]\) = '.*':\1 = '${LB_INSTALL_PWD}':"
  sed -i /var/www/html/config/config.php -e "s:\(\['default.timezone'\]\) = '.*':\1 = '${TZ}':"

fi

exec "$@"