web and db services don't work.

Dockerfile

FROM stackbrew/ubuntu:latest

RUN apt-get update -qq && apt-get install -y -qq python-software-properties

RUN add-apt-repository -y ppa:ondrej/php5

RUN apt-get update -qq && apt-get install -y -qq php5-cli php5-fpm php5-mysql php5-pgsql php5-sqlite php5-curl php5-gd php5-gmp php5-mcrypt php5-xdebug php5-memcached php5-imagick wget

RUN wget https://phar.phpunit.de/phpunit.phar && chmod +x phpunit.phar && mv phpunit.phar /usr/local/bin/phpunit

RUN mkdir www

WORKDIR /www

fig up db error

db_1 | 140128 15:20:55 [Warning] Using unique option prefix key_buffer instead of key_buffer_size is deprecated and will be removed in a future release. Please use the full name instead.
db_1 | 140128 15:20:55 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
db_1 | 140128 15:20:56 [Note] Plugin 'FEDERATED' is disabled.
db_1 | 140128 15:20:56 InnoDB: The InnoDB memory heap is disabled
db_1 | 140128 15:20:56 InnoDB: Mutexes and rw_locks use GCC atomic builtins
db_1 | 140128 15:20:56 InnoDB: Compressed tables use zlib 1.2.3.4
db_1 | 140128 15:20:56 InnoDB: Initializing buffer pool, size = 128.0M
db_1 | 140128 15:20:56 InnoDB: Completed initialization of buffer pool
db_1 | 140128 15:20:56 InnoDB: highest supported file format is Barracuda.
db_1 | 140128 15:20:56  InnoDB: Waiting for the background threads to start
db_1 | 140128 15:20:57 InnoDB: 5.5.35 started; log sequence number 1595675
db_1 | ERROR: 1049  Unknown database 'mysql'
db_1 | 140128 15:20:57 [ERROR] Aborting
db_1 | 
db_1 | 140128 15:20:57  InnoDB: Starting shutdown...
db_1 | 140128 15:20:58  InnoDB: Shutdown completed; log sequence number 1595675
db_1 | 140128 15:20:58 [Note] /usr/sbin/mysqld: Shutdown complete

fig.yml

web:
  build: .
  command: php -S 0.0.0.0:8000 -t /www/public
  links:
    - db
  ports:
    - 8000:8000
  volumes:
    - web/:/www

db:
  image: orchardup/mysql
  ports:
    - 49000:3306
  environment:
    MYSQL_DATABASE: laravel
    MYSQL_USER: user
    MYSQL_PASSWORD: pass
  volumes:
    - db/:/var/lib/mysql