Why docker pull Ignores Your Container's Proxy Settings

Configure the Docker component that actually pulls images instead of expecting container proxy variables to control the daemon.

For a failed docker pull, configure the Docker daemon or Docker Desktop. The image is downloaded before the application container can read its proxy variables.

Native Docker Engine

Merge this section into the existing daemon proxy configuration, replacing the documentation endpoint and preserving unrelated settings. For public-image pull tests where public proxies are permitted, the HTTP proxy list supplies endpoint candidates:

{
  "proxies": {
    "http-proxy": "http://203.0.113.10:8080",
    "https-proxy": "http://203.0.113.10:8080",
    "no-proxy": "localhost,127.0.0.1,registry.example.internal"
  }
}

The hyphenated daemon keys differ from the camelCase keys in the Docker client's ~/.docker/config.json. The client proxy section supplies environment variables for new containers and builds; it configures neither daemon downloads nor already-existing container environments.

Apply the documented daemon restart for the installation, planning its effect on current workloads. A daemon can alternatively receive proxy variables in its startup environment; an export in a later terminal does not update a running service.

Docker Desktop

Use Desktop's proxy settings. Docker documents that Desktop ignores proxy entries in daemon.json, so repeatedly changing the native Engine example cannot configure this product's path.

Retry the image pull after updating the actual component. Read whether registry access, authentication, redirects or layer download failed. A working HTTP request inside an existing container only checks that application's route. Keep proxy credentials out of shared screenshots and committed files; daemon configuration and container environment are not secret stores.

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