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为Docker容器设置http代理

朱小落 2022-02-24 阅读 132




HTTP/HTTPS proxy

The Docker daemon uses the ​​HTTP_PROXY​​, ​​HTTPS_PROXY​​, and ​​NO_PROXY​​ environmental variables in its start-up environment to configure HTTP or HTTPS proxy behavior. You cannot configure these environment variables using the ​​daemon.json​​ file.This example overrides the default ​​docker.service​​ file.

If you are behind an HTTP or HTTPS proxy server, for example in corporate settings, you need to add this configuration in the Docker systemd service file.


  1. Create a systemd drop-in directory for the docker service:
    ​$ sudo mkdir -p /etc/systemd/system/docker.service.d ​
  2. Create a file called ​​/etc/systemd/system/docker.service.d/http-proxy.conf​​ that adds the ​​HTTP_PROXY​​ environment variable:
    ​[Service] Environment="HTTP_PROXY=http://proxy.example.com:80/" ​​Or, if you are behind an HTTPS proxy server, create a file called ​​/etc/systemd/system/docker.service.d/https-proxy.conf​​ that adds the ​​HTTPS_PROXY​​ environment variable:
    ​[Service] Environment="HTTPS_PROXY=https://proxy.example.com:443/" ​
  3. If you have internal Docker registries that you need to contact without proxying you can specify them via the ​​NO_PROXY​​environment variable:
    ​[Service] Environment="HTTP_PROXY=http://proxy.example.com:80/" "NO_PROXY=localhost,127.0.0.1,docker-registry.somecorporation.com" ​​Or, if you are behind an HTTPS proxy server:
    ​[Service] Environment="HTTPS_PROXY=https://proxy.example.com:443/" "NO_PROXY=localhost,127.0.0.1,docker-registry.somecorporation.com" ​
  4. Flush changes:
    ​$ sudo systemctl daemon-reload ​
  5. Restart Docker:
    ​$ sudo systemctl restart docker ​
  6. Verify that the configuration has been loaded:
    ​$ systemctl show --property=Environment docker Environment=HTTP_PROXY=http://proxy.example.com:80/ ​​Or, if you are behind an HTTPS proxy server:
    ​$ systemctl show --property=Environment docker Environment=HTTPS_PROXY=https://proxy.example.com:443/​






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