Cannot download repomd.xml

[avinash89-chavan]

When i try to run the command: ./buildContainerImage.sh -v 19.3.0 -e
I am getting the following error:
=> ERROR [base 4/4] RUN chmod ug+x /opt/install/*.sh && sync && /opt/install/checkSpace.sh && /opt/install/setupLinuxEnv.sh && rm -rf /opt/install 0.4s

[base 4/4] RUN chmod ug+x /opt/install/*.sh && sync && /opt/install/checkSpace.sh && /opt/install/setupLinuxEnv.sh && rm -rf /opt/install:
0.362 Oracle Linux 8 BaseOS Latest (aarch64) 0.0 B/s | 0 B 00:00
0.362 Errors during downloading metadata for repository 'ol8_baseos_latest':
0.362 - Curl error (7): Couldn't connect to server for https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/aarch64/repodata/repomd.xml [Failed to connect to 127.0.0.1 port 9000: Connection refused]
0.367 Error: Failed to download metadata for repo 'ol8_baseos_latest': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried

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Dockerfile:89

I can curl https://yum.oracle.com/repo/OracleLinux/OL8/baseos/latest/aarch64/repodata/repomd.xml from my mac.

running the following also produces the same error:
docker run --rm -it oraclelinux:7-slim curl -vvI https://yum.oracle.com/repo/OracleLinux/OL7/UEKR4/x86_64/repodata/repomd.xml

• About to connect() to proxy 127.0.0.1 port 9000 (#0)
• Trying 127.0.0.1...
• Connection refused
• Failed connect to 127.0.0.1:9000; Connection refused
• Closing connection 0
  curl: (7) Failed connect to 127.0.0.1:9000; Connection refused

My docker config.json has the following:
"proxies": {
"default": {
"httpProxy": "http://127.0.0.1:9000",
"httpsProxy": "http://127.0.0.1:9000"
}
}