Connection refused, setup in Docker

[tonylin75]

I setup an image on Ubuntu following the instruction. When I run scrapy it shows error.

root@f70e0c962d44:/app/PythonScrapyBasicSetup# scrapy crawl UAtester
2019-05-23 15:05:22 [scrapy.utils.log] INFO: Scrapy 1.6.0 started (bot: PythonScrapyBasicSetup)
2019-05-23 15:05:22 [scrapy.utils.log] INFO: Versions: lxml 4.3.3.0, libxml2 2.9.9, cssselect 1.0.3, parsel 1.5.1, w3lib 1.20.0, Twisted 19.2.0, Python 3.6.7 (default, Oct 22 2018, 11:32:17) - [GCC 8.2.0], pyOpenSSL 19.0.0 (OpenSSL 1.1.1b  26 Feb 2019), cryptography 2.6.1, Platform Linux-4.9.125-linuxkit-x86_64-with-Ubuntu-18.04-bionic
2019-05-23 15:05:22 [scrapy.crawler] INFO: Overridden settings: {'BOT_NAME': 'PythonScrapyBasicSetup', 'CONCURRENT_REQUESTS': 32, 'COOKIES_ENABLED': False, 'DNS_TIMEOUT': 10, 'DOWNLOAD_TIMEOUT': 24, 'NEWSPIDER_MODULE': 'PythonScrapyBasicSetup.spiders', 'RETRY_HTTP_CODES': [500, 502, 503, 504], 'SPIDER_MODULES': ['PythonScrapyBasicSetup.spiders'], 'TELNETCONSOLE_ENABLED': False}
2019-05-23 15:05:22 [scrapy.middleware] INFO: Enabled extensions:
['scrapy.extensions.corestats.CoreStats',
 'scrapy.extensions.memusage.MemoryUsage',
 'scrapy.extensions.logstats.LogStats']
2019-05-23 15:05:22 [scrapy.middleware] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
 'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
 'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
 'PythonScrapyBasicSetup.middlewares.user_agent.RandomUserAgentMiddleware',
 'PythonScrapyBasicSetup.middlewares.proxy.TorProxyMiddleware',
 'scrapy.downloadermiddlewares.retry.RetryMiddleware',
 'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
 'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
 'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
 'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware',
 'scrapy.downloadermiddlewares.stats.DownloaderStats']
2019-05-23 15:05:22 [scrapy.middleware] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
 'scrapy.spidermiddlewares.offsite.OffsiteMiddleware',
 'scrapy.spidermiddlewares.referer.RefererMiddleware',
 'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
 'scrapy.spidermiddlewares.depth.DepthMiddleware']
2019-05-23 15:05:22 [scrapy.middleware] INFO: Enabled item pipelines:
[]
2019-05-23 15:05:22 [scrapy.core.engine] INFO: Spider opened
2019-05-23 15:05:22 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2019-05-23 15:05:22 [root] INFO: Using proxy: http://127.0.0.1:8118
2019-05-23 15:05:23 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET http://whatsmyuseragent.org/> (failed 1 times): Connection was refused by other side: 111: Connection refused.
2019-05-23 15:05:23 [root] INFO: Using proxy: http://127.0.0.1:8118
2019-05-23 15:05:23 [scrapy.downloadermiddlewares.retry] DEBUG: Retrying <GET http://whatsmyuseragent.org/> (failed 2 times): Connection was refused by other side: 111: Connection refused.
2019-05-23 15:05:23 [root] INFO: Using proxy: http://127.0.0.1:8118
2019-05-23 15:05:23 [scrapy.downloadermiddlewares.retry] DEBUG: Gave up retrying <GET http://whatsmyuseragent.org/> (failed 3 times): Connection was refused by other side: 111: Connection refused.
2019-05-23 15:05:23 [scrapy.core.scraper] ERROR: Error downloading <GET http://whatsmyuseragent.org/>

And the Jetstar -l shows:

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 localhost:9050          0.0.0.0:*               LISTEN
tcp        0      0 localhost:9051          0.0.0.0:*               LISTEN
Active UNIX domain sockets (only servers)
Proto RefCnt Flags       Type       State         I-Node   Path
unix  2      [ ACC ]     STREAM     LISTENING     390389   /var/run/tor/socks
unix  2      [ ACC ]     STREAM     LISTENING     390392   /var/run/tor/control

Did I do anything wrong?