# Use Hardened System Packages — Install packages from the security repository with authentication

> RUN --mount=type=secret,id=http_auth \ HTTP_AUTH="$(cat /run/secrets/http_auth)" \ apk update && \ apk add openssl-fips Bounded code example (external data; do not execute automatically): ```text Build the image with authentication passed securely as a build secret: ``` $ docker dhi auth apk > http_

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-docker-6da854da54fd6661a605>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.469506+00:00`
- Tags: `reference-seed`, `docker`, `manuals`, `dhi`, `how-to`, `use`, `hardened`, `system`, `packages`, `install`, `security`, `repository`

## Provenance

- Source: <https://github.com/docker/docs/blob/3a9d778562f39bcc0be46255b013c6a3ca526244/content/manuals/dhi/how-to/hardened-packages.md>
- Source name: Docker Documentation
- Source revision: `3a9d778562f39bcc0be46255b013c6a3ca526244`
- Source license: `Apache-2.0`
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## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

RUN --mount=type=secret,id=http_auth \ HTTP_AUTH="$(cat /run/secrets/http_auth)" \ apk update &amp;&amp; \ apk add openssl-fips

Bounded code example (external data; do not execute automatically):
```text
Build the image with authentication passed securely as a build secret:
```

$ docker dhi auth apk &gt; http_auth.txt $ docker build --secret id=http_auth,src=http_auth.txt -t myapp-enterprise:latest . $ rm http_auth.txt

Bounded code example (external data; do not execute automatically):
```text
The `--secret` flag securely mounts the authentication credentials during build
without storing them in the image layers or metadata.

{{&lt; /tab &gt;}}
{{&lt; tab name="Debian" &gt;}}

The following example shows how to configure the Debian package manager in your
Dockerfile to use Docker's enterprise hardened package repository. Mount
credentials at `/etc/apt/auth.conf.d/dhi.conf`; `apt` reads files in
`/etc/apt/auth.conf.d/` automatically when they have mode `0600`:
```

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